include("/home/bitnami/htdocs/websites/abstract-polytopes/www/subs.php"); ?>
Polytope of Type {3,8}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {3,8}*336b
if this polytope has a name.
Group : SmallGroup(336,208)
Rank : 3
Schlafli Type : {3,8}
Number of vertices, edges, etc : 21, 84, 56
Order of s0s1s2 : 8
Order of s0s1s2s1 : 8
Special Properties :
Compact Hyperbolic Quotient
Locally Spherical
Non-Orientable
Related Polytopes :
Facet
Vertex Figure
Dual
Petrial
Facet Of :
{3,8,2} of size 672
{3,8,4} of size 1344
Vertex Figure Of :
{2,3,8} of size 672
Quotients (Maximal Quotients in Boldface) :
No Regular Quotients.
Covers (Minimal Covers in Boldface) :
2-fold covers : {3,8}*672b, {6,8}*672g, {6,8}*672j
4-fold covers : {3,16}*1344b, {6,8}*1344d, {6,8}*1344f, {6,8}*1344j
Permutation Representation (GAP) :
s0 := (1,2)(3,6)(4,8)(5,7);;
s1 := (1,2)(3,4)(5,6)(7,8);;
s2 := (1,4)(2,8)(5,7);;
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,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1,
s0*s2*s1*s2*s1*s2*s1*s0*s2*s1*s0*s2*s1*s2*s1*s0*s2*s1*s0*s2*s1*s2*s1*s2*s1 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(8)!(1,2)(3,6)(4,8)(5,7);
s1 := Sym(8)!(1,2)(3,4)(5,6)(7,8);
s2 := Sym(8)!(1,4)(2,8)(5,7);
poly := sub<Sym(8)|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, s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1,
s0*s2*s1*s2*s1*s2*s1*s0*s2*s1*s0*s2*s1*s2*s1*s0*s2*s1*s0*s2*s1*s2*s1*s2*s1 >;
References : None.
to this polytope