Polytope of Type {6,72}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {6,72}*1728a
if this polytope has a name.
Group : SmallGroup(1728,12249)
Rank : 3
Schlafli Type : {6,72}
Number of vertices, edges, etc : 12, 432, 144
Order of s0s1s2 : 9
Order of s0s1s2s1 : 8
Special Properties :
   Compact Hyperbolic Quotient
   Locally Spherical
   Non-Orientable
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   None in this Atlas
Vertex Figure Of :
   None in this Atlas
Quotients (Maximal Quotients in Boldface) :
   3-fold quotients : {6,24}*576a
   4-fold quotients : {6,36}*432c
   9-fold quotients : {6,8}*192a
   12-fold quotients : {6,12}*144d
   36-fold quotients : {6,4}*48b
   72-fold quotients : {3,4}*24
Covers (Minimal Covers in Boldface) :
   None in this atlas.
Permutation Representation (GAP) :
s0 := (  3,  4)(  5,  6)(  9, 14)( 10, 13)( 11, 15)( 12, 16)( 19, 20)( 21, 22)
( 25, 30)( 26, 29)( 27, 31)( 28, 32)( 35, 36)( 37, 38)( 41, 46)( 42, 45)
( 43, 47)( 44, 48)( 51, 52)( 53, 54)( 57, 62)( 58, 61)( 59, 63)( 60, 64)
( 67, 68)( 69, 70)( 73, 78)( 74, 77)( 75, 79)( 76, 80)( 83, 84)( 85, 86)
( 89, 94)( 90, 93)( 91, 95)( 92, 96)( 99,100)(101,102)(105,110)(106,109)
(107,111)(108,112)(115,116)(117,118)(121,126)(122,125)(123,127)(124,128)
(131,132)(133,134)(137,142)(138,141)(139,143)(140,144);;
s1 := (  2,  4)(  5, 13)(  6, 16)(  7, 15)(  8, 14)(  9, 11)( 17, 33)( 18, 36)
( 19, 35)( 20, 34)( 21, 45)( 22, 48)( 23, 47)( 24, 46)( 25, 43)( 26, 42)
( 27, 41)( 28, 44)( 29, 37)( 30, 40)( 31, 39)( 32, 38)( 49,129)( 50,132)
( 51,131)( 52,130)( 53,141)( 54,144)( 55,143)( 56,142)( 57,139)( 58,138)
( 59,137)( 60,140)( 61,133)( 62,136)( 63,135)( 64,134)( 65,113)( 66,116)
( 67,115)( 68,114)( 69,125)( 70,128)( 71,127)( 72,126)( 73,123)( 74,122)
( 75,121)( 76,124)( 77,117)( 78,120)( 79,119)( 80,118)( 81, 97)( 82,100)
( 83, 99)( 84, 98)( 85,109)( 86,112)( 87,111)( 88,110)( 89,107)( 90,106)
( 91,105)( 92,108)( 93,101)( 94,104)( 95,103)( 96,102);;
s2 := (  1, 55)(  2, 56)(  3, 53)(  4, 54)(  5, 51)(  6, 52)(  7, 49)(  8, 50)
(  9, 61)( 10, 62)( 11, 63)( 12, 64)( 13, 57)( 14, 58)( 15, 59)( 16, 60)
( 17, 87)( 18, 88)( 19, 85)( 20, 86)( 21, 83)( 22, 84)( 23, 81)( 24, 82)
( 25, 93)( 26, 94)( 27, 95)( 28, 96)( 29, 89)( 30, 90)( 31, 91)( 32, 92)
( 33, 71)( 34, 72)( 35, 69)( 36, 70)( 37, 67)( 38, 68)( 39, 65)( 40, 66)
( 41, 77)( 42, 78)( 43, 79)( 44, 80)( 45, 73)( 46, 74)( 47, 75)( 48, 76)
( 97,135)( 98,136)( 99,133)(100,134)(101,131)(102,132)(103,129)(104,130)
(105,141)(106,142)(107,143)(108,144)(109,137)(110,138)(111,139)(112,140)
(113,119)(114,120)(115,117)(116,118)(121,125)(122,126)(123,127)(124,128);;
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*s0*s1*s0*s1*s2*s0*s1*s2*s0*s1*s0*s1, 
s0*s1*s2*s1*s2*s1*s2*s0*s1*s2*s1*s2*s1*s2*s0*s1*s2*s1*s2*s1*s2, 
s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1 ];;
poly := F / rels;;
 
Permutation Representation (Magma) :
s0 := Sym(144)!(  3,  4)(  5,  6)(  9, 14)( 10, 13)( 11, 15)( 12, 16)( 19, 20)
( 21, 22)( 25, 30)( 26, 29)( 27, 31)( 28, 32)( 35, 36)( 37, 38)( 41, 46)
( 42, 45)( 43, 47)( 44, 48)( 51, 52)( 53, 54)( 57, 62)( 58, 61)( 59, 63)
( 60, 64)( 67, 68)( 69, 70)( 73, 78)( 74, 77)( 75, 79)( 76, 80)( 83, 84)
( 85, 86)( 89, 94)( 90, 93)( 91, 95)( 92, 96)( 99,100)(101,102)(105,110)
(106,109)(107,111)(108,112)(115,116)(117,118)(121,126)(122,125)(123,127)
(124,128)(131,132)(133,134)(137,142)(138,141)(139,143)(140,144);
s1 := Sym(144)!(  2,  4)(  5, 13)(  6, 16)(  7, 15)(  8, 14)(  9, 11)( 17, 33)
( 18, 36)( 19, 35)( 20, 34)( 21, 45)( 22, 48)( 23, 47)( 24, 46)( 25, 43)
( 26, 42)( 27, 41)( 28, 44)( 29, 37)( 30, 40)( 31, 39)( 32, 38)( 49,129)
( 50,132)( 51,131)( 52,130)( 53,141)( 54,144)( 55,143)( 56,142)( 57,139)
( 58,138)( 59,137)( 60,140)( 61,133)( 62,136)( 63,135)( 64,134)( 65,113)
( 66,116)( 67,115)( 68,114)( 69,125)( 70,128)( 71,127)( 72,126)( 73,123)
( 74,122)( 75,121)( 76,124)( 77,117)( 78,120)( 79,119)( 80,118)( 81, 97)
( 82,100)( 83, 99)( 84, 98)( 85,109)( 86,112)( 87,111)( 88,110)( 89,107)
( 90,106)( 91,105)( 92,108)( 93,101)( 94,104)( 95,103)( 96,102);
s2 := Sym(144)!(  1, 55)(  2, 56)(  3, 53)(  4, 54)(  5, 51)(  6, 52)(  7, 49)
(  8, 50)(  9, 61)( 10, 62)( 11, 63)( 12, 64)( 13, 57)( 14, 58)( 15, 59)
( 16, 60)( 17, 87)( 18, 88)( 19, 85)( 20, 86)( 21, 83)( 22, 84)( 23, 81)
( 24, 82)( 25, 93)( 26, 94)( 27, 95)( 28, 96)( 29, 89)( 30, 90)( 31, 91)
( 32, 92)( 33, 71)( 34, 72)( 35, 69)( 36, 70)( 37, 67)( 38, 68)( 39, 65)
( 40, 66)( 41, 77)( 42, 78)( 43, 79)( 44, 80)( 45, 73)( 46, 74)( 47, 75)
( 48, 76)( 97,135)( 98,136)( 99,133)(100,134)(101,131)(102,132)(103,129)
(104,130)(105,141)(106,142)(107,143)(108,144)(109,137)(110,138)(111,139)
(112,140)(113,119)(114,120)(115,117)(116,118)(121,125)(122,126)(123,127)
(124,128);
poly := sub<Sym(144)|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*s0*s1*s0*s1*s2*s0*s1*s2*s0*s1*s0*s1, 
s0*s1*s2*s1*s2*s1*s2*s0*s1*s2*s1*s2*s1*s2*s0*s1*s2*s1*s2*s1*s2, 
s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1 >; 
 
References : None.
to this polytope