Polytope of Type {20,6}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {20,6}*960c
if this polytope has a name.
Group : SmallGroup(960,10886)
Rank : 3
Schlafli Type : {20,6}
Number of vertices, edges, etc : 80, 240, 24
Order of s₀s₁s₂ : 20
Order of s₀s₁s₂s₁ : 10
Special Properties :
   Compact Hyperbolic Quotient
   Locally Spherical
   Orientable
   Self-Petrie
Related Polytopes :
   Facet
   Vertex Figure
   Dual
   Petrial
Facet Of :
   {20,6,2} of size 1920
Vertex Figure Of :
   {2,20,6} of size 1920
Quotients (Maximal Quotients in Boldface) :
   2-fold quotients : {20,6}*480a, {20,6}*480b, {10,6}*480c
   4-fold quotients : {5,6}*240b, {10,3}*240, {10,6}*240c, {10,6}*240d, {10,6}*240e, {10,6}*240f
   8-fold quotients : {5,3}*120, {5,6}*120b, {5,6}*120c, {10,3}*120a, {10,3}*120b
   16-fold quotients : {5,3}*60
   60-fold quotients : {4,2}*16
   120-fold quotients : {2,2}*8
Covers (Minimal Covers in Boldface) :
   2-fold covers : {20,12}*1920g, {40,6}*1920f, {20,6}*1920d, {20,12}*1920l, {40,6}*1920h
Permutation Representation (GAP) :

s0 := ( 4, 6)( 8, 9)(10,11);;
s1 := ( 3, 4)( 5, 6)( 7, 8)( 9,10);;
s2 := ( 1, 2)( 8,11)( 9,10);;
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, s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s0*s2*s1*s2*s1*s2*s1*s0*s1*s0*s2*s1*s2*s1*s2*s1*s0*s1, 
s0*s1*s2*s1*s0*s1*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s1 ];;
poly := F / rels;;

Permutation Representation (Magma) :

s0 := Sym(11)!( 4, 6)( 8, 9)(10,11);
s1 := Sym(11)!( 3, 4)( 5, 6)( 7, 8)( 9,10);
s2 := Sym(11)!( 1, 2)( 8,11)( 9,10);
poly := sub<Sym(11)|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, s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s0*s2*s1*s2*s1*s2*s1*s0*s1*s0*s2*s1*s2*s1*s2*s1*s0*s1, 
s0*s1*s2*s1*s0*s1*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s1 >;

References : None.
to this polytope