Polytope of Type {8,6,5}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {8,6,5}*960b
if this polytope has a name.
Group : SmallGroup(960,5739)
Rank : 4
Schlafli Type : {8,6,5}
Number of vertices, edges, etc : 8, 48, 30, 10
Order of s0s1s2s3 : 40
Order of s0s1s2s3s2s1 : 2
Special Properties :
Universal
Non-Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{8,6,5,2} of size 1920
Vertex Figure Of :
{2,8,6,5} of size 1920
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {4,6,5}*480b
4-fold quotients : {2,6,5}*240b
8-fold quotients : {2,3,5}*120
Covers (Minimal Covers in Boldface) :
2-fold covers : {16,6,5}*1920b, {8,6,5}*1920b, {8,6,10}*1920e, {8,6,10}*1920f
Permutation Representation (GAP) :
s0 := (2,4)(3,6)(5,8);;
s1 := ( 1, 2)( 3, 4)( 5, 6)( 7, 8)(10,11)(12,13);;
s2 := ( 9,10)(12,13);;
s3 := (10,12)(11,13);;
poly := Group([s0,s1,s2,s3]);;
Finitely Presented Group Representation (GAP) :
F := FreeGroup("s0","s1","s2","s3");;
s0 := F.1;; s1 := F.2;; s2 := F.3;; s3 := F.4;;
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s0*s2*s0*s2,
s0*s3*s0*s3, s1*s3*s1*s3, s0*s1*s2*s1*s0*s1*s2*s1,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3, s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s1*s2*s3*s2*s1*s2*s1*s2*s3*s2*s1*s2,
s3*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s2*s1*s2,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(13)!(2,4)(3,6)(5,8);
s1 := Sym(13)!( 1, 2)( 3, 4)( 5, 6)( 7, 8)(10,11)(12,13);
s2 := Sym(13)!( 9,10)(12,13);
s3 := Sym(13)!(10,12)(11,13);
poly := sub<Sym(13)|s0,s1,s2,s3>;
Finitely Presented Group Representation (Magma) :
poly<s0,s1,s2,s3> := Group< s0,s1,s2,s3 | s0*s0, s1*s1, s2*s2,
s3*s3, s0*s2*s0*s2, s0*s3*s0*s3, s1*s3*s1*s3,
s0*s1*s2*s1*s0*s1*s2*s1, s2*s3*s2*s3*s2*s3*s2*s3*s2*s3,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s1*s2*s3*s2*s1*s2*s1*s2*s3*s2*s1*s2,
s3*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s2*s1*s2,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1 >;
References : None.
to this polytope