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Polytope of Type {10,4,2}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {10,4,2}*480a
if this polytope has a name.
Group : SmallGroup(480,1186)
Rank : 4
Schlafli Type : {10,4,2}
Number of vertices, edges, etc : 30, 60, 12, 2
Order of s0s1s2s3 : 6
Order of s0s1s2s3s2s1 : 2
Special Properties :
Degenerate
Universal
Non-Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{10,4,2,2} of size 960
{10,4,2,3} of size 1440
{10,4,2,4} of size 1920
Vertex Figure Of :
{2,10,4,2} of size 960
Quotients (Maximal Quotients in Boldface) :
2-fold quotients : {5,4,2}*240
Covers (Minimal Covers in Boldface) :
2-fold covers : {10,4,4}*960a, {10,4,2}*960a, {10,4,2}*960b, {10,4,2}*960c
3-fold covers : {10,4,6}*1440a, {10,12,2}*1440
4-fold covers : {10,4,4}*1920a, {10,4,4}*1920b, {10,4,8}*1920a, {10,8,2}*1920a, {10,8,2}*1920b, {10,4,4}*1920c, {10,4,2}*1920, {20,4,2}*1920a, {20,4,2}*1920b, {20,4,2}*1920c, {20,4,2}*1920d, {10,8,2}*1920c, {10,8,2}*1920d
Permutation Representation (GAP) :
s0 := (2,3)(4,5);;
s1 := (1,2)(3,4)(6,7);;
s2 := (2,3);;
s3 := (8,9);;
poly := Group([s0,s1,s2,s3]);;
Finitely Presented Group Representation (GAP) :
F := FreeGroup("s0","s1","s2","s3");;
s0 := F.1;; s1 := F.2;; s2 := F.3;; s3 := F.4;;
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s0*s2*s0*s2,
s0*s3*s0*s3, s1*s3*s1*s3, s2*s3*s2*s3,
s1*s2*s1*s2*s1*s2*s1*s2, s2*s1*s2*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1,
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(9)!(2,3)(4,5);
s1 := Sym(9)!(1,2)(3,4)(6,7);
s2 := Sym(9)!(2,3);
s3 := Sym(9)!(8,9);
poly := sub<Sym(9)|s0,s1,s2,s3>;
Finitely Presented Group Representation (Magma) :
poly<s0,s1,s2,s3> := Group< s0,s1,s2,s3 | s0*s0, s1*s1, s2*s2,
s3*s3, s0*s2*s0*s2, s0*s3*s0*s3, s1*s3*s1*s3,
s2*s3*s2*s3, s1*s2*s1*s2*s1*s2*s1*s2,
s2*s1*s2*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1,
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1 >;
to this polytope