Polytope of Type {4,2,5,5}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {4,2,5,5}*960
if this polytope has a name.
Group : SmallGroup(960,10886)
Rank : 5
Schlafli Type : {4,2,5,5}
Number of vertices, edges, etc : 4, 4, 12, 30, 12
Order of s0s1s2s3s4 : 12
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{4,2,5,5,2} of size 1920
Vertex Figure Of :
{2,4,2,5,5} of size 1920
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {4,2,5,5}*480, {2,2,5,5}*480
4-fold quotients : {2,2,5,5}*240
Covers (Minimal Covers in Boldface) :
2-fold covers : {8,2,5,5}*1920, {4,2,5,10}*1920, {4,2,10,5}*1920
Permutation Representation (GAP) :
s0 := (2,3);;
s1 := (1,2)(3,4);;
s2 := ( 6,13)( 8,16)( 9,11)(10,12);;
s3 := ( 7, 9)( 8,15)(10,16)(11,13);;
s4 := ( 5,15)( 7,14)( 8,11)( 9,16);;
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*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,
s0*s1*s0*s1*s0*s1*s0*s1, s2*s3*s2*s3*s2*s3*s2*s3*s2*s3,
s3*s4*s3*s4*s3*s4*s3*s4*s3*s4, s2*s3*s4*s3*s2*s3*s4*s3*s2*s3*s4*s3 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(16)!(2,3);
s1 := Sym(16)!(1,2)(3,4);
s2 := Sym(16)!( 6,13)( 8,16)( 9,11)(10,12);
s3 := Sym(16)!( 7, 9)( 8,15)(10,16)(11,13);
s4 := Sym(16)!( 5,15)( 7,14)( 8,11)( 9,16);
poly := sub<Sym(16)|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*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, s0*s1*s0*s1*s0*s1*s0*s1,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3, s3*s4*s3*s4*s3*s4*s3*s4*s3*s4,
s2*s3*s4*s3*s2*s3*s4*s3*s2*s3*s4*s3 >;
to this polytope