include("/home/bitnami/htdocs/websites/abstract-polytopes/www/subs.php"); ?>
Polytope of Type {4,8}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {4,8}*672a
if this polytope has a name.
Group : SmallGroup(672,1254)
Rank : 3
Schlafli Type : {4,8}
Number of vertices, edges, etc : 42, 168, 84
Order of s0s1s2 : 14
Order of s0s1s2s1 : 6
Special Properties :
Compact Hyperbolic Quotient
Locally Spherical
Orientable
Related Polytopes :
Facet
Vertex Figure
Dual
Petrial
Halving Operation
Facet Of :
{4,8,2} of size 1344
Vertex Figure Of :
{2,4,8} of size 1344
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {4,8}*336a
Covers (Minimal Covers in Boldface) :
2-fold covers : {4,8}*1344e
Permutation Representation (GAP) :
s0 := (3,7)(4,8)(5,6);;
s1 := (1,3)(2,7)(4,5);;
s2 := ( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10);;
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,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s2*s1*s0*s1*s2*s1,
s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s0*s2*s1*s2*s0*s1*s2*s0*s1*s2*s0 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(10)!(3,7)(4,8)(5,6);
s1 := Sym(10)!(1,3)(2,7)(4,5);
s2 := Sym(10)!( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10);
poly := sub<Sym(10)|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,
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2,
s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s2*s1*s0*s1*s2*s1,
s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s0*s2*s1*s2*s0*s1*s2*s0*s1*s2*s0 >;
References : None.
to this polytope