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Polytope of Type {15,2,15}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {15,2,15}*900
if this polytope has a name.
Group : SmallGroup(900,137)
Rank : 4
Schlafli Type : {15,2,15}
Number of vertices, edges, etc : 15, 15, 15, 15
Order of s0s1s2s3 : 15
Order of s0s1s2s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Self-Dual
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{15,2,15,2} of size 1800
Vertex Figure Of :
{2,15,2,15} of size 1800
Quotients (Maximal Quotients in Boldface) :
3-fold quotients : {5,2,15}*300, {15,2,5}*300
5-fold quotients : {3,2,15}*180, {15,2,3}*180
9-fold quotients : {5,2,5}*100
15-fold quotients : {3,2,5}*60, {5,2,3}*60
25-fold quotients : {3,2,3}*36
Covers (Minimal Covers in Boldface) :
2-fold covers : {15,2,30}*1800, {30,2,15}*1800
Permutation Representation (GAP) :
s0 := ( 2, 3)( 4, 5)( 6, 7)( 8, 9)(10,11)(12,13)(14,15);;
s1 := ( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14);;
s2 := (17,18)(19,20)(21,22)(23,24)(25,26)(27,28)(29,30);;
s3 := (16,17)(18,19)(20,21)(22,23)(24,25)(26,27)(28,29);;
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,
s1*s2*s1*s2, s0*s3*s0*s3, s1*s3*s1*s3,
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(30)!( 2, 3)( 4, 5)( 6, 7)( 8, 9)(10,11)(12,13)(14,15);
s1 := Sym(30)!( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14);
s2 := Sym(30)!(17,18)(19,20)(21,22)(23,24)(25,26)(27,28)(29,30);
s3 := Sym(30)!(16,17)(18,19)(20,21)(22,23)(24,25)(26,27)(28,29);
poly := sub<Sym(30)|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, s1*s2*s1*s2, s0*s3*s0*s3,
s1*s3*s1*s3, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1,
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3 >;
to this polytope