Polytope of Type {2,20,2,6}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,20,2,6}*960
if this polytope has a name.
Group : SmallGroup(960,11209)
Rank : 5
Schlafli Type : {2,20,2,6}
Number of vertices, edges, etc : 2, 20, 20, 6, 6
Order of s₀s₁s₂s₃s₄ : 60
Order of s₀s₁s₂s₃s₄s₃s₂s₁ : 2
Special Properties :
   Degenerate
   Universal
   Orientable
   Flat
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   {2,20,2,6,2} of size 1920
Vertex Figure Of :
   {2,2,20,2,6} of size 1920
Quotients (Maximal Quotients in Boldface) :
   2-fold quotients : {2,20,2,3}*480, {2,10,2,6}*480
   3-fold quotients : {2,20,2,2}*320
   4-fold quotients : {2,5,2,6}*240, {2,10,2,3}*240
   5-fold quotients : {2,4,2,6}*192
   6-fold quotients : {2,10,2,2}*160
   8-fold quotients : {2,5,2,3}*120
   10-fold quotients : {2,4,2,3}*96, {2,2,2,6}*96
   12-fold quotients : {2,5,2,2}*80
   15-fold quotients : {2,4,2,2}*64
   20-fold quotients : {2,2,2,3}*48
   30-fold quotients : {2,2,2,2}*32
Covers (Minimal Covers in Boldface) :
   2-fold covers : {2,20,4,6}*1920, {4,20,2,6}*1920, {2,20,2,12}*1920, {2,40,2,6}*1920
Permutation Representation (GAP) :

s0 := (1,2);;
s1 := ( 4, 5)( 6, 7)( 9,12)(10,11)(13,14)(15,16)(17,20)(18,19)(21,22);;
s2 := ( 3, 9)( 4, 6)( 5,15)( 7,17)( 8,11)(10,13)(12,21)(14,18)(16,19)(20,22);;
s3 := (25,26)(27,28);;
s4 := (23,27)(24,25)(26,28);;
poly := Group([s0,s1,s2,s3,s4]);;

Finitely Presented Group Representation (GAP) :

F := FreeGroup("s0","s1","s2","s3","s4");;
s0 := F.1;;  s1 := F.2;;  s2 := F.3;;  s3 := F.4;;  s4 := F.5;;  
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s4*s4, s0*s1*s0*s1, 
s0*s2*s0*s2, s0*s3*s0*s3, s1*s3*s1*s3, 
s2*s3*s2*s3, s0*s4*s0*s4, s1*s4*s1*s4, 
s2*s4*s2*s4, s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 ];;
poly := F / rels;;

Permutation Representation (Magma) :

s0 := Sym(28)!(1,2);
s1 := Sym(28)!( 4, 5)( 6, 7)( 9,12)(10,11)(13,14)(15,16)(17,20)(18,19)(21,22);
s2 := Sym(28)!( 3, 9)( 4, 6)( 5,15)( 7,17)( 8,11)(10,13)(12,21)(14,18)(16,19)
(20,22);
s3 := Sym(28)!(25,26)(27,28);
s4 := Sym(28)!(23,27)(24,25)(26,28);
poly := sub<Sym(28)|s0,s1,s2,s3,s4>;

Finitely Presented Group Representation (Magma) :

poly<s0,s1,s2,s3,s4> := Group< s0,s1,s2,s3,s4 | s0*s0, s1*s1, s2*s2, 
s3*s3, s4*s4, s0*s1*s0*s1, s0*s2*s0*s2, 
s0*s3*s0*s3, s1*s3*s1*s3, s2*s3*s2*s3, 
s0*s4*s0*s4, s1*s4*s1*s4, s2*s4*s2*s4, 
s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 >;

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