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Polytope of Type {15,10}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {15,10}*360
if this polytope has a name.
Group : SmallGroup(360,121)
Rank : 3
Schlafli Type : {15,10}
Number of vertices, edges, etc : 18, 90, 12
Order of s0s1s2 : 3
Order of s0s1s2s1 : 6
Special Properties :
Compact Hyperbolic Quotient
Locally Spherical
Non-Orientable
Related Polytopes :
Facet
Vertex Figure
Dual
Petrial
Facet Of :
{15,10,2} of size 720
Vertex Figure Of :
{2,15,10} of size 720
{4,15,10} of size 1440
Quotients (Maximal Quotients in Boldface) :
3-fold quotients : {5,10}*120a
6-fold quotients : {5,5}*60
Covers (Minimal Covers in Boldface) :
2-fold covers : {15,10}*720, {30,10}*720a, {30,10}*720b
3-fold covers : {45,10}*1080
4-fold covers : {60,10}*1440a, {60,10}*1440b, {15,20}*1440a, {15,20}*1440b, {30,10}*1440
5-fold covers : {15,10}*1800b
Permutation Representation (GAP) :
s0 := (2,3)(5,6)(7,8);;
s1 := (1,2)(4,5)(6,7);;
s2 := (5,7)(6,8);;
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*s2*s0*s1*s2*s0*s1*s2,
s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1,
s0*s1*s2*s1*s0*s1*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s1 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(8)!(2,3)(5,6)(7,8);
s1 := Sym(8)!(1,2)(4,5)(6,7);
s2 := Sym(8)!(5,7)(6,8);
poly := sub<Sym(8)|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*s2*s0*s1*s2*s0*s1*s2,
s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1,
s0*s1*s2*s1*s0*s1*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1*s0*s1 >;
References : None.
to this polytope