include("/home/bitnami/htdocs/websites/abstract-polytopes/www/subs.php"); ?>
Polytope of Type {2,2,6,6}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,2,6,6}*768b
if this polytope has a name.
Group : SmallGroup(768,1090168)
Rank : 5
Schlafli Type : {2,2,6,6}
Number of vertices, edges, etc : 2, 2, 16, 48, 16
Order of s0s1s2s3s4 : 8
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
None in this Atlas
Vertex Figure Of :
None in this Atlas
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {2,2,6,6}*384
4-fold quotients : {2,2,3,6}*192, {2,2,6,3}*192
8-fold quotients : {2,2,3,3}*96
24-fold quotients : {2,2,2,2}*32
Covers (Minimal Covers in Boldface) :
None in this atlas.
Permutation Representation (GAP) :
s0 := (1,2);;
s1 := (3,4);;
s2 := ( 7, 9)( 8,10)(11,12)(13,14)(15,18)(16,17);;
s3 := ( 7, 8)( 9,11)(10,12)(15,16)(17,19)(18,20);;
s4 := ( 5,19)( 6,20)( 7,16)( 8,15)( 9,17)(10,18)(11,13)(12,14);;
poly := Group([s0,s1,s2,s3,s4]);;
Finitely Presented Group Representation (GAP) :
F := FreeGroup("s0","s1","s2","s3","s4");;
s0 := F.1;; s1 := F.2;; s2 := F.3;; s3 := F.4;; s4 := F.5;;
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s4*s4, s0*s1*s0*s1,
s0*s2*s0*s2, s1*s2*s1*s2, s0*s3*s0*s3,
s1*s3*s1*s3, s0*s4*s0*s4, s1*s4*s1*s4,
s2*s4*s2*s4, s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3,
s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4,
s4*s2*s3*s2*s3*s4*s3*s4*s2*s3*s4*s3*s2*s3 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(20)!(1,2);
s1 := Sym(20)!(3,4);
s2 := Sym(20)!( 7, 9)( 8,10)(11,12)(13,14)(15,18)(16,17);
s3 := Sym(20)!( 7, 8)( 9,11)(10,12)(15,16)(17,19)(18,20);
s4 := Sym(20)!( 5,19)( 6,20)( 7,16)( 8,15)( 9,17)(10,18)(11,13)(12,14);
poly := sub<Sym(20)|s0,s1,s2,s3,s4>;
Finitely Presented Group Representation (Magma) :
poly<s0,s1,s2,s3,s4> := Group< s0,s1,s2,s3,s4 | s0*s0, s1*s1, s2*s2,
s3*s3, s4*s4, s0*s1*s0*s1, s0*s2*s0*s2,
s1*s2*s1*s2, s0*s3*s0*s3, s1*s3*s1*s3,
s0*s4*s0*s4, s1*s4*s1*s4, s2*s4*s2*s4,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3,
s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4,
s4*s2*s3*s2*s3*s4*s3*s4*s2*s3*s4*s3*s2*s3 >;
to this polytope