Polytope of Type {6,18}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {6,18}*1944a
if this polytope has a name.
Group : SmallGroup(1944,941)
Rank : 3
Schlafli Type : {6,18}
Number of vertices, edges, etc : 54, 486, 162
Order of s0s1s2 : 6
Order of s0s1s2s1 : 6
Special Properties :
Compact Hyperbolic Quotient
Locally Spherical
Orientable
Self-Petrie
Related Polytopes :
Facet
Vertex Figure
Dual
Petrial
Facet Of :
None in this Atlas
Vertex Figure Of :
None in this Atlas
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {6,9}*972a
3-fold quotients : {6,18}*648c, {6,18}*648d
6-fold quotients : {6,9}*324b, {6,9}*324c
9-fold quotients : {6,6}*216a
18-fold quotients : {6,3}*108
27-fold quotients : {6,6}*72b
54-fold quotients : {6,3}*36
81-fold quotients : {2,6}*24
162-fold quotients : {2,3}*12
243-fold quotients : {2,2}*8
Covers (Minimal Covers in Boldface) :
None in this atlas.
Permutation Representation (GAP) :
s0 := ( 4, 8)( 5, 9)( 6, 7)( 10, 19)( 11, 20)( 12, 21)( 13, 26)( 14, 27)
( 15, 25)( 16, 24)( 17, 22)( 18, 23)( 31, 35)( 32, 36)( 33, 34)( 37, 46)
( 38, 47)( 39, 48)( 40, 53)( 41, 54)( 42, 52)( 43, 51)( 44, 49)( 45, 50)
( 58, 62)( 59, 63)( 60, 61)( 64, 73)( 65, 74)( 66, 75)( 67, 80)( 68, 81)
( 69, 79)( 70, 78)( 71, 76)( 72, 77)( 82,163)( 83,164)( 84,165)( 85,170)
( 86,171)( 87,169)( 88,168)( 89,166)( 90,167)( 91,181)( 92,182)( 93,183)
( 94,188)( 95,189)( 96,187)( 97,186)( 98,184)( 99,185)(100,172)(101,173)
(102,174)(103,179)(104,180)(105,178)(106,177)(107,175)(108,176)(109,190)
(110,191)(111,192)(112,197)(113,198)(114,196)(115,195)(116,193)(117,194)
(118,208)(119,209)(120,210)(121,215)(122,216)(123,214)(124,213)(125,211)
(126,212)(127,199)(128,200)(129,201)(130,206)(131,207)(132,205)(133,204)
(134,202)(135,203)(136,217)(137,218)(138,219)(139,224)(140,225)(141,223)
(142,222)(143,220)(144,221)(145,235)(146,236)(147,237)(148,242)(149,243)
(150,241)(151,240)(152,238)(153,239)(154,226)(155,227)(156,228)(157,233)
(158,234)(159,232)(160,231)(161,229)(162,230)(247,251)(248,252)(249,250)
(253,262)(254,263)(255,264)(256,269)(257,270)(258,268)(259,267)(260,265)
(261,266)(274,278)(275,279)(276,277)(280,289)(281,290)(282,291)(283,296)
(284,297)(285,295)(286,294)(287,292)(288,293)(301,305)(302,306)(303,304)
(307,316)(308,317)(309,318)(310,323)(311,324)(312,322)(313,321)(314,319)
(315,320)(325,406)(326,407)(327,408)(328,413)(329,414)(330,412)(331,411)
(332,409)(333,410)(334,424)(335,425)(336,426)(337,431)(338,432)(339,430)
(340,429)(341,427)(342,428)(343,415)(344,416)(345,417)(346,422)(347,423)
(348,421)(349,420)(350,418)(351,419)(352,433)(353,434)(354,435)(355,440)
(356,441)(357,439)(358,438)(359,436)(360,437)(361,451)(362,452)(363,453)
(364,458)(365,459)(366,457)(367,456)(368,454)(369,455)(370,442)(371,443)
(372,444)(373,449)(374,450)(375,448)(376,447)(377,445)(378,446)(379,460)
(380,461)(381,462)(382,467)(383,468)(384,466)(385,465)(386,463)(387,464)
(388,478)(389,479)(390,480)(391,485)(392,486)(393,484)(394,483)(395,481)
(396,482)(397,469)(398,470)(399,471)(400,476)(401,477)(402,475)(403,474)
(404,472)(405,473);;
s1 := ( 1, 82)( 2, 84)( 3, 83)( 4, 88)( 5, 90)( 6, 89)( 7, 85)( 8, 87)
( 9, 86)( 10, 92)( 11, 91)( 12, 93)( 13, 98)( 14, 97)( 15, 99)( 16, 95)
( 17, 94)( 18, 96)( 19,102)( 20,101)( 21,100)( 22,108)( 23,107)( 24,106)
( 25,105)( 26,104)( 27,103)( 28,159)( 29,158)( 30,157)( 31,156)( 32,155)
( 33,154)( 34,162)( 35,161)( 36,160)( 37,139)( 38,141)( 39,140)( 40,136)
( 41,138)( 42,137)( 43,142)( 44,144)( 45,143)( 46,149)( 47,148)( 48,150)
( 49,146)( 50,145)( 51,147)( 52,152)( 53,151)( 54,153)( 55,121)( 56,123)
( 57,122)( 58,118)( 59,120)( 60,119)( 61,124)( 62,126)( 63,125)( 64,131)
( 65,130)( 66,132)( 67,128)( 68,127)( 69,129)( 70,134)( 71,133)( 72,135)
( 73,114)( 74,113)( 75,112)( 76,111)( 77,110)( 78,109)( 79,117)( 80,116)
( 81,115)(164,165)(166,169)(167,171)(168,170)(172,173)(175,179)(176,178)
(177,180)(181,183)(184,189)(185,188)(186,187)(190,240)(191,239)(192,238)
(193,237)(194,236)(195,235)(196,243)(197,242)(198,241)(199,220)(200,222)
(201,221)(202,217)(203,219)(204,218)(205,223)(206,225)(207,224)(208,230)
(209,229)(210,231)(211,227)(212,226)(213,228)(214,233)(215,232)(216,234)
(244,325)(245,327)(246,326)(247,331)(248,333)(249,332)(250,328)(251,330)
(252,329)(253,335)(254,334)(255,336)(256,341)(257,340)(258,342)(259,338)
(260,337)(261,339)(262,345)(263,344)(264,343)(265,351)(266,350)(267,349)
(268,348)(269,347)(270,346)(271,402)(272,401)(273,400)(274,399)(275,398)
(276,397)(277,405)(278,404)(279,403)(280,382)(281,384)(282,383)(283,379)
(284,381)(285,380)(286,385)(287,387)(288,386)(289,392)(290,391)(291,393)
(292,389)(293,388)(294,390)(295,395)(296,394)(297,396)(298,364)(299,366)
(300,365)(301,361)(302,363)(303,362)(304,367)(305,369)(306,368)(307,374)
(308,373)(309,375)(310,371)(311,370)(312,372)(313,377)(314,376)(315,378)
(316,357)(317,356)(318,355)(319,354)(320,353)(321,352)(322,360)(323,359)
(324,358)(407,408)(409,412)(410,414)(411,413)(415,416)(418,422)(419,421)
(420,423)(424,426)(427,432)(428,431)(429,430)(433,483)(434,482)(435,481)
(436,480)(437,479)(438,478)(439,486)(440,485)(441,484)(442,463)(443,465)
(444,464)(445,460)(446,462)(447,461)(448,466)(449,468)(450,467)(451,473)
(452,472)(453,474)(454,470)(455,469)(456,471)(457,476)(458,475)(459,477);;
s2 := ( 1,271)( 2,273)( 3,272)( 4,277)( 5,279)( 6,278)( 7,274)( 8,276)
( 9,275)( 10,288)( 11,287)( 12,286)( 13,285)( 14,284)( 15,283)( 16,282)
( 17,281)( 18,280)( 19,293)( 20,292)( 21,294)( 22,290)( 23,289)( 24,291)
( 25,296)( 26,295)( 27,297)( 28,244)( 29,246)( 30,245)( 31,250)( 32,252)
( 33,251)( 34,247)( 35,249)( 36,248)( 37,261)( 38,260)( 39,259)( 40,258)
( 41,257)( 42,256)( 43,255)( 44,254)( 45,253)( 46,266)( 47,265)( 48,267)
( 49,263)( 50,262)( 51,264)( 52,269)( 53,268)( 54,270)( 55,298)( 56,300)
( 57,299)( 58,304)( 59,306)( 60,305)( 61,301)( 62,303)( 63,302)( 64,315)
( 65,314)( 66,313)( 67,312)( 68,311)( 69,310)( 70,309)( 71,308)( 72,307)
( 73,320)( 74,319)( 75,321)( 76,317)( 77,316)( 78,318)( 79,323)( 80,322)
( 81,324)( 82,433)( 83,435)( 84,434)( 85,439)( 86,441)( 87,440)( 88,436)
( 89,438)( 90,437)( 91,450)( 92,449)( 93,448)( 94,447)( 95,446)( 96,445)
( 97,444)( 98,443)( 99,442)(100,455)(101,454)(102,456)(103,452)(104,451)
(105,453)(106,458)(107,457)(108,459)(109,406)(110,408)(111,407)(112,412)
(113,414)(114,413)(115,409)(116,411)(117,410)(118,423)(119,422)(120,421)
(121,420)(122,419)(123,418)(124,417)(125,416)(126,415)(127,428)(128,427)
(129,429)(130,425)(131,424)(132,426)(133,431)(134,430)(135,432)(136,460)
(137,462)(138,461)(139,466)(140,468)(141,467)(142,463)(143,465)(144,464)
(145,477)(146,476)(147,475)(148,474)(149,473)(150,472)(151,471)(152,470)
(153,469)(154,482)(155,481)(156,483)(157,479)(158,478)(159,480)(160,485)
(161,484)(162,486)(163,352)(164,354)(165,353)(166,358)(167,360)(168,359)
(169,355)(170,357)(171,356)(172,369)(173,368)(174,367)(175,366)(176,365)
(177,364)(178,363)(179,362)(180,361)(181,374)(182,373)(183,375)(184,371)
(185,370)(186,372)(187,377)(188,376)(189,378)(190,325)(191,327)(192,326)
(193,331)(194,333)(195,332)(196,328)(197,330)(198,329)(199,342)(200,341)
(201,340)(202,339)(203,338)(204,337)(205,336)(206,335)(207,334)(208,347)
(209,346)(210,348)(211,344)(212,343)(213,345)(214,350)(215,349)(216,351)
(217,379)(218,381)(219,380)(220,385)(221,387)(222,386)(223,382)(224,384)
(225,383)(226,396)(227,395)(228,394)(229,393)(230,392)(231,391)(232,390)
(233,389)(234,388)(235,401)(236,400)(237,402)(238,398)(239,397)(240,399)
(241,404)(242,403)(243,405);;
poly := Group([s0,s1,s2]);;
Finitely Presented Group Representation (GAP) :
F := FreeGroup("s0","s1","s2");;
s0 := F.1;; s1 := F.2;; s2 := F.3;;
rels := [ s0*s0, s1*s1, s2*s2, s0*s2*s0*s2, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s0*s1*s2*s1*s2*s1*s0*s1*s2*s0*s1*s2*s1*s2*s1*s0*s1,
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(486)!( 4, 8)( 5, 9)( 6, 7)( 10, 19)( 11, 20)( 12, 21)( 13, 26)
( 14, 27)( 15, 25)( 16, 24)( 17, 22)( 18, 23)( 31, 35)( 32, 36)( 33, 34)
( 37, 46)( 38, 47)( 39, 48)( 40, 53)( 41, 54)( 42, 52)( 43, 51)( 44, 49)
( 45, 50)( 58, 62)( 59, 63)( 60, 61)( 64, 73)( 65, 74)( 66, 75)( 67, 80)
( 68, 81)( 69, 79)( 70, 78)( 71, 76)( 72, 77)( 82,163)( 83,164)( 84,165)
( 85,170)( 86,171)( 87,169)( 88,168)( 89,166)( 90,167)( 91,181)( 92,182)
( 93,183)( 94,188)( 95,189)( 96,187)( 97,186)( 98,184)( 99,185)(100,172)
(101,173)(102,174)(103,179)(104,180)(105,178)(106,177)(107,175)(108,176)
(109,190)(110,191)(111,192)(112,197)(113,198)(114,196)(115,195)(116,193)
(117,194)(118,208)(119,209)(120,210)(121,215)(122,216)(123,214)(124,213)
(125,211)(126,212)(127,199)(128,200)(129,201)(130,206)(131,207)(132,205)
(133,204)(134,202)(135,203)(136,217)(137,218)(138,219)(139,224)(140,225)
(141,223)(142,222)(143,220)(144,221)(145,235)(146,236)(147,237)(148,242)
(149,243)(150,241)(151,240)(152,238)(153,239)(154,226)(155,227)(156,228)
(157,233)(158,234)(159,232)(160,231)(161,229)(162,230)(247,251)(248,252)
(249,250)(253,262)(254,263)(255,264)(256,269)(257,270)(258,268)(259,267)
(260,265)(261,266)(274,278)(275,279)(276,277)(280,289)(281,290)(282,291)
(283,296)(284,297)(285,295)(286,294)(287,292)(288,293)(301,305)(302,306)
(303,304)(307,316)(308,317)(309,318)(310,323)(311,324)(312,322)(313,321)
(314,319)(315,320)(325,406)(326,407)(327,408)(328,413)(329,414)(330,412)
(331,411)(332,409)(333,410)(334,424)(335,425)(336,426)(337,431)(338,432)
(339,430)(340,429)(341,427)(342,428)(343,415)(344,416)(345,417)(346,422)
(347,423)(348,421)(349,420)(350,418)(351,419)(352,433)(353,434)(354,435)
(355,440)(356,441)(357,439)(358,438)(359,436)(360,437)(361,451)(362,452)
(363,453)(364,458)(365,459)(366,457)(367,456)(368,454)(369,455)(370,442)
(371,443)(372,444)(373,449)(374,450)(375,448)(376,447)(377,445)(378,446)
(379,460)(380,461)(381,462)(382,467)(383,468)(384,466)(385,465)(386,463)
(387,464)(388,478)(389,479)(390,480)(391,485)(392,486)(393,484)(394,483)
(395,481)(396,482)(397,469)(398,470)(399,471)(400,476)(401,477)(402,475)
(403,474)(404,472)(405,473);
s1 := Sym(486)!( 1, 82)( 2, 84)( 3, 83)( 4, 88)( 5, 90)( 6, 89)( 7, 85)
( 8, 87)( 9, 86)( 10, 92)( 11, 91)( 12, 93)( 13, 98)( 14, 97)( 15, 99)
( 16, 95)( 17, 94)( 18, 96)( 19,102)( 20,101)( 21,100)( 22,108)( 23,107)
( 24,106)( 25,105)( 26,104)( 27,103)( 28,159)( 29,158)( 30,157)( 31,156)
( 32,155)( 33,154)( 34,162)( 35,161)( 36,160)( 37,139)( 38,141)( 39,140)
( 40,136)( 41,138)( 42,137)( 43,142)( 44,144)( 45,143)( 46,149)( 47,148)
( 48,150)( 49,146)( 50,145)( 51,147)( 52,152)( 53,151)( 54,153)( 55,121)
( 56,123)( 57,122)( 58,118)( 59,120)( 60,119)( 61,124)( 62,126)( 63,125)
( 64,131)( 65,130)( 66,132)( 67,128)( 68,127)( 69,129)( 70,134)( 71,133)
( 72,135)( 73,114)( 74,113)( 75,112)( 76,111)( 77,110)( 78,109)( 79,117)
( 80,116)( 81,115)(164,165)(166,169)(167,171)(168,170)(172,173)(175,179)
(176,178)(177,180)(181,183)(184,189)(185,188)(186,187)(190,240)(191,239)
(192,238)(193,237)(194,236)(195,235)(196,243)(197,242)(198,241)(199,220)
(200,222)(201,221)(202,217)(203,219)(204,218)(205,223)(206,225)(207,224)
(208,230)(209,229)(210,231)(211,227)(212,226)(213,228)(214,233)(215,232)
(216,234)(244,325)(245,327)(246,326)(247,331)(248,333)(249,332)(250,328)
(251,330)(252,329)(253,335)(254,334)(255,336)(256,341)(257,340)(258,342)
(259,338)(260,337)(261,339)(262,345)(263,344)(264,343)(265,351)(266,350)
(267,349)(268,348)(269,347)(270,346)(271,402)(272,401)(273,400)(274,399)
(275,398)(276,397)(277,405)(278,404)(279,403)(280,382)(281,384)(282,383)
(283,379)(284,381)(285,380)(286,385)(287,387)(288,386)(289,392)(290,391)
(291,393)(292,389)(293,388)(294,390)(295,395)(296,394)(297,396)(298,364)
(299,366)(300,365)(301,361)(302,363)(303,362)(304,367)(305,369)(306,368)
(307,374)(308,373)(309,375)(310,371)(311,370)(312,372)(313,377)(314,376)
(315,378)(316,357)(317,356)(318,355)(319,354)(320,353)(321,352)(322,360)
(323,359)(324,358)(407,408)(409,412)(410,414)(411,413)(415,416)(418,422)
(419,421)(420,423)(424,426)(427,432)(428,431)(429,430)(433,483)(434,482)
(435,481)(436,480)(437,479)(438,478)(439,486)(440,485)(441,484)(442,463)
(443,465)(444,464)(445,460)(446,462)(447,461)(448,466)(449,468)(450,467)
(451,473)(452,472)(453,474)(454,470)(455,469)(456,471)(457,476)(458,475)
(459,477);
s2 := Sym(486)!( 1,271)( 2,273)( 3,272)( 4,277)( 5,279)( 6,278)( 7,274)
( 8,276)( 9,275)( 10,288)( 11,287)( 12,286)( 13,285)( 14,284)( 15,283)
( 16,282)( 17,281)( 18,280)( 19,293)( 20,292)( 21,294)( 22,290)( 23,289)
( 24,291)( 25,296)( 26,295)( 27,297)( 28,244)( 29,246)( 30,245)( 31,250)
( 32,252)( 33,251)( 34,247)( 35,249)( 36,248)( 37,261)( 38,260)( 39,259)
( 40,258)( 41,257)( 42,256)( 43,255)( 44,254)( 45,253)( 46,266)( 47,265)
( 48,267)( 49,263)( 50,262)( 51,264)( 52,269)( 53,268)( 54,270)( 55,298)
( 56,300)( 57,299)( 58,304)( 59,306)( 60,305)( 61,301)( 62,303)( 63,302)
( 64,315)( 65,314)( 66,313)( 67,312)( 68,311)( 69,310)( 70,309)( 71,308)
( 72,307)( 73,320)( 74,319)( 75,321)( 76,317)( 77,316)( 78,318)( 79,323)
( 80,322)( 81,324)( 82,433)( 83,435)( 84,434)( 85,439)( 86,441)( 87,440)
( 88,436)( 89,438)( 90,437)( 91,450)( 92,449)( 93,448)( 94,447)( 95,446)
( 96,445)( 97,444)( 98,443)( 99,442)(100,455)(101,454)(102,456)(103,452)
(104,451)(105,453)(106,458)(107,457)(108,459)(109,406)(110,408)(111,407)
(112,412)(113,414)(114,413)(115,409)(116,411)(117,410)(118,423)(119,422)
(120,421)(121,420)(122,419)(123,418)(124,417)(125,416)(126,415)(127,428)
(128,427)(129,429)(130,425)(131,424)(132,426)(133,431)(134,430)(135,432)
(136,460)(137,462)(138,461)(139,466)(140,468)(141,467)(142,463)(143,465)
(144,464)(145,477)(146,476)(147,475)(148,474)(149,473)(150,472)(151,471)
(152,470)(153,469)(154,482)(155,481)(156,483)(157,479)(158,478)(159,480)
(160,485)(161,484)(162,486)(163,352)(164,354)(165,353)(166,358)(167,360)
(168,359)(169,355)(170,357)(171,356)(172,369)(173,368)(174,367)(175,366)
(176,365)(177,364)(178,363)(179,362)(180,361)(181,374)(182,373)(183,375)
(184,371)(185,370)(186,372)(187,377)(188,376)(189,378)(190,325)(191,327)
(192,326)(193,331)(194,333)(195,332)(196,328)(197,330)(198,329)(199,342)
(200,341)(201,340)(202,339)(203,338)(204,337)(205,336)(206,335)(207,334)
(208,347)(209,346)(210,348)(211,344)(212,343)(213,345)(214,350)(215,349)
(216,351)(217,379)(218,381)(219,380)(220,385)(221,387)(222,386)(223,382)
(224,384)(225,383)(226,396)(227,395)(228,394)(229,393)(230,392)(231,391)
(232,390)(233,389)(234,388)(235,401)(236,400)(237,402)(238,398)(239,397)
(240,399)(241,404)(242,403)(243,405);
poly := sub<Sym(486)|s0,s1,s2>;
Finitely Presented Group Representation (Magma) :
poly<s0,s1,s2> := Group< s0,s1,s2 | s0*s0, s1*s1, s2*s2,
s0*s2*s0*s2, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s0*s1*s2*s1*s2*s1*s0*s1*s2*s0*s1*s2*s1*s2*s1*s0*s1,
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1 >;
References : None.
to this polytope