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Polytope of Type {10,6}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {10,6}*240a
if this polytope has a name.
Group : SmallGroup(240,189)
Rank : 3
Schlafli Type : {10,6}
Number of vertices, edges, etc : 20, 60, 12
Order of s0s1s2 : 4
Order of s0s1s2s1 : 4
Special Properties :
   Compact Hyperbolic Quotient
   Locally Spherical
   Non-Orientable
Related Polytopes :
   Facet
   Vertex Figure
   Dual
   Petrial
Facet Of :
   {10,6,2} of size 480
   {10,6,4} of size 960
   {10,6,6} of size 1440
   {10,6,8} of size 1920
Vertex Figure Of :
   {2,10,6} of size 480
Quotients (Maximal Quotients in Boldface) :
   2-fold quotients : {5,6}*120a
Covers (Minimal Covers in Boldface) :
   2-fold covers : {10,12}*480a, {10,12}*480b, {10,6}*480b
   3-fold covers : {10,6}*720a
   4-fold covers : {10,24}*960a, {10,24}*960b, {10,6}*960a, {10,12}*960a, {20,6}*960a, {20,6}*960b, {10,12}*960b
   5-fold covers : {10,30}*1200a
   6-fold covers : {10,12}*1440a, {10,12}*1440c, {10,6}*1440e, {30,6}*1440c, {30,6}*1440d
   7-fold covers : {10,42}*1680a
   8-fold covers : {10,48}*1920a, {10,48}*1920b, {20,12}*1920f, {10,24}*1920c, {40,6}*1920e, {10,12}*1920b, {20,12}*1920h, {10,24}*1920e, {20,12}*1920i, {20,12}*1920j, {20,6}*1920c, {40,6}*1920g
Permutation Representation (GAP) :
s0 := (2,3)(4,5);;
s1 := (1,2)(3,4)(6,7);;
s2 := (4,5);;
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, s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s0*s1*s2*s1*s0*s2*s1*s0*s1*s0*s2*s1*s0*s1*s2 ];;
poly := F / rels;;
 
Permutation Representation (Magma) :
s0 := Sym(7)!(2,3)(4,5);
s1 := Sym(7)!(1,2)(3,4)(6,7);
s2 := Sym(7)!(4,5);
poly := sub<Sym(7)|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, s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s0*s1*s2*s1*s0*s2*s1*s0*s1*s0*s2*s1*s0*s1*s2 >; 
 
References : None.
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