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