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Polytope of Type {2,15,2,2}
This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,15,2,2}*240
if this polytope has a name.
Group : SmallGroup(240,207)
Rank : 5
Schlafli Type : {2,15,2,2}
Number of vertices, edges, etc : 2, 15, 15, 2, 2
Order of s0s1s2s3s4 : 30
Order of s0s1s2s3s4s3s2s1 : 2
Special Properties :
Degenerate
Universal
Orientable
Flat
Related Polytopes :
Facet
Vertex Figure
Dual
Facet Of :
{2,15,2,2,2} of size 480
{2,15,2,2,3} of size 720
{2,15,2,2,4} of size 960
{2,15,2,2,5} of size 1200
{2,15,2,2,6} of size 1440
{2,15,2,2,7} of size 1680
{2,15,2,2,8} of size 1920
Vertex Figure Of :
{2,2,15,2,2} of size 480
{3,2,15,2,2} of size 720
{4,2,15,2,2} of size 960
{5,2,15,2,2} of size 1200
{6,2,15,2,2} of size 1440
{7,2,15,2,2} of size 1680
{8,2,15,2,2} of size 1920
Quotients (Maximal Quotients in Boldface) :
3-fold quotients : {2,5,2,2}*80
5-fold quotients : {2,3,2,2}*48
Covers (Minimal Covers in Boldface) :
2-fold covers : {2,15,2,4}*480, {2,30,2,2}*480
3-fold covers : {2,45,2,2}*720, {2,15,2,6}*720, {2,15,6,2}*720, {6,15,2,2}*720
4-fold covers : {2,15,2,8}*960, {2,60,2,2}*960, {2,30,2,4}*960, {2,30,4,2}*960a, {4,30,2,2}*960a, {2,15,4,2}*960, {4,15,2,2}*960
5-fold covers : {2,75,2,2}*1200, {2,15,2,10}*1200, {2,15,10,2}*1200, {10,15,2,2}*1200
6-fold covers : {2,45,2,4}*1440, {2,90,2,2}*1440, {2,15,2,12}*1440, {6,15,2,4}*1440, {2,15,6,4}*1440, {2,30,2,6}*1440, {2,30,6,2}*1440b, {2,30,6,2}*1440c, {6,30,2,2}*1440b, {6,30,2,2}*1440c
7-fold covers : {2,15,2,14}*1680, {2,105,2,2}*1680
8-fold covers : {2,15,2,16}*1920, {2,30,4,4}*1920, {2,60,4,2}*1920a, {4,60,2,2}*1920a, {4,30,2,4}*1920a, {4,30,4,2}*1920a, {2,60,2,4}*1920, {2,30,2,8}*1920, {2,30,8,2}*1920, {8,30,2,2}*1920, {2,120,2,2}*1920, {2,15,4,4}*1920b, {4,15,2,4}*1920, {2,15,8,2}*1920, {8,15,2,2}*1920, {2,30,4,2}*1920, {4,30,2,2}*1920
Permutation Representation (GAP) :
s0 := (1,2);;
s1 := ( 4, 5)( 6, 7)( 8, 9)(10,11)(12,13)(14,15)(16,17);;
s2 := ( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16);;
s3 := (18,19);;
s4 := (20,21);;
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*s1*s0*s1,
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, s3*s4*s3*s4, s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 ];;
poly := F / rels;;
Permutation Representation (Magma) :
s0 := Sym(21)!(1,2);
s1 := Sym(21)!( 4, 5)( 6, 7)( 8, 9)(10,11)(12,13)(14,15)(16,17);
s2 := Sym(21)!( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16);
s3 := Sym(21)!(18,19);
s4 := Sym(21)!(20,21);
poly := sub<Sym(21)|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*s1*s0*s1, 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,
s3*s4*s3*s4, s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 >;
to this polytope