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