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Polytope of Type {4,3,2,7}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {4,3,2,7}*672
if this polytope has a name.
Group : SmallGroup(672,1260)
Rank : 5
Schlafli Type : {4,3,2,7}
Number of vertices, edges, etc : 8, 12, 6, 7, 7
Order of s0s1s2s3s4 : 42
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{4,3,2,7,2} of size 1344
Vertex Figure Of :
{2,4,3,2,7} of size 1344
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {4,3,2,7}*336
4-fold quotients : {2,3,2,7}*168
Covers (Minimal Covers in Boldface) :
2-fold covers : {8,3,2,7}*1344, {4,3,2,14}*1344, {4,6,2,7}*1344
Permutation Representation (GAP) :
s0 := (4,6);;
s1 := (3,4)(5,6);;
s2 := (1,3)(2,5);;
s3 := ( 8, 9)(10,11)(12,13);;
s4 := ( 7, 8)( 9,10)(11,12);;
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,
s0*s3*s0*s3, s1*s3*s1*s3, s2*s3*s2*s3,
s0*s4*s0*s4, s1*s4*s1*s4, s2*s4*s2*s4,
s1*s2*s1*s2*s1*s2, s0*s1*s0*s1*s0*s1*s0*s1,
s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(13)!(4,6);
s1 := Sym(13)!(3,4)(5,6);
s2 := Sym(13)!(1,3)(2,5);
s3 := Sym(13)!( 8, 9)(10,11)(12,13);
s4 := Sym(13)!( 7, 8)( 9,10)(11,12);
poly := sub<Sym(13)|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, s0*s3*s0*s3,
s1*s3*s1*s3, s2*s3*s2*s3, s0*s4*s0*s4,
s1*s4*s1*s4, s2*s4*s2*s4, s1*s2*s1*s2*s1*s2,
s0*s1*s0*s1*s0*s1*s0*s1, s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4 >;
to this polytope