Polytope of Type {15,2,8}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {15,2,8}*480
if this polytope has a name.
Group : SmallGroup(480,875)
Rank : 4
Schlafli Type : {15,2,8}
Number of vertices, edges, etc : 15, 15, 8, 8
Order of s₀s₁s₂s₃ : 120
Order of s₀s₁s₂s₃s₂s₁ : 2
Special Properties :
   Degenerate
   Universal
   Orientable
   Flat
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   {15,2,8,2} of size 960
   {15,2,8,4} of size 1920
   {15,2,8,4} of size 1920
Vertex Figure Of :
   {2,15,2,8} of size 960
   {4,15,2,8} of size 1920
Quotients (Maximal Quotients in Boldface) :
   2-fold quotients : {15,2,4}*240
   3-fold quotients : {5,2,8}*160
   4-fold quotients : {15,2,2}*120
   5-fold quotients : {3,2,8}*96
   6-fold quotients : {5,2,4}*80
   10-fold quotients : {3,2,4}*48
   12-fold quotients : {5,2,2}*40
   20-fold quotients : {3,2,2}*24
Covers (Minimal Covers in Boldface) :
   2-fold covers : {15,2,16}*960, {30,2,8}*960
   3-fold covers : {45,2,8}*1440, {15,2,24}*1440, {15,6,8}*1440
   4-fold covers : {15,2,32}*1920, {30,4,8}*1920a, {60,2,8}*1920, {30,2,16}*1920, {15,4,8}*1920
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);;
s3 := (16,17)(18,19)(20,21)(22,23);;
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, 
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*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(23)!( 2, 3)( 4, 5)( 6, 7)( 8, 9)(10,11)(12,13)(14,15);
s1 := Sym(23)!( 1, 2)( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14);
s2 := Sym(23)!(17,18)(19,20)(21,22);
s3 := Sym(23)!(16,17)(18,19)(20,21)(22,23);
poly := sub<Sym(23)|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, s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*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 >;

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