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Polytope of Type {15,2,3,2}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {15,2,3,2}*360
if this polytope has a name.
Group : SmallGroup(360,154)
Rank : 5
Schlafli Type : {15,2,3,2}
Number of vertices, edges, etc : 15, 15, 3, 3, 2
Order of s0s1s2s3s4 : 30
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{15,2,3,2,2} of size 720
{15,2,3,2,3} of size 1080
{15,2,3,2,4} of size 1440
{15,2,3,2,5} of size 1800
Vertex Figure Of :
{2,15,2,3,2} of size 720
{4,15,2,3,2} of size 1440
Quotients (Maximal Quotients in Boldface) :
3-fold quotients : {5,2,3,2}*120
5-fold quotients : {3,2,3,2}*72
Covers (Minimal Covers in Boldface) :
2-fold covers : {15,2,6,2}*720, {30,2,3,2}*720
3-fold covers : {45,2,3,2}*1080, {15,2,9,2}*1080, {15,6,3,2}*1080, {15,2,3,6}*1080
4-fold covers : {15,2,12,2}*1440, {60,2,3,2}*1440, {15,2,6,4}*1440a, {15,2,3,4}*1440, {30,2,6,2}*1440
5-fold covers : {75,2,3,2}*1800, {15,2,15,2}*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);;
s3 := (16,17);;
s4 := (19,20);;
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,
s3*s4*s3*s4, s2*s3*s2*s3*s2*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 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(20)!( 2, 3)( 4, 5)( 6, 7)( 8, 9)(10,11)(12,13)(14,15);
s1 := Sym(20)!( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14);
s2 := Sym(20)!(17,18);
s3 := Sym(20)!(16,17);
s4 := Sym(20)!(19,20);
poly := sub<Sym(20)|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, s3*s4*s3*s4,
s2*s3*s2*s3*s2*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 >;
to this polytope