Polytope of Type {2,4,2,9}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,4,2,9}*288
if this polytope has a name.
Group : SmallGroup(288,356)
Rank : 5
Schlafli Type : {2,4,2,9}
Number of vertices, edges, etc : 2, 4, 4, 9, 9
Order of s₀s₁s₂s₃s₄ : 36
Order of s₀s₁s₂s₃s₄s₃s₂s₁ : 2
Special Properties :
   Degenerate
   Universal
   Orientable
   Flat
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   {2,4,2,9,2} of size 576
   {2,4,2,9,4} of size 1152
   {2,4,2,9,6} of size 1728
Vertex Figure Of :
   {2,2,4,2,9} of size 576
   {3,2,4,2,9} of size 864
   {4,2,4,2,9} of size 1152
   {5,2,4,2,9} of size 1440
   {6,2,4,2,9} of size 1728
Quotients (Maximal Quotients in Boldface) :
   2-fold quotients : {2,2,2,9}*144
   3-fold quotients : {2,4,2,3}*96
   6-fold quotients : {2,2,2,3}*48
Covers (Minimal Covers in Boldface) :
   2-fold covers : {4,4,2,9}*576, {2,8,2,9}*576, {2,4,2,18}*576
   3-fold covers : {2,4,2,27}*864, {2,12,2,9}*864, {6,4,2,9}*864a, {2,4,6,9}*864
   4-fold covers : {4,8,2,9}*1152a, {8,4,2,9}*1152a, {4,8,2,9}*1152b, {8,4,2,9}*1152b, {4,4,2,9}*1152, {2,16,2,9}*1152, {2,4,4,18}*1152, {4,4,2,18}*1152, {2,4,2,36}*1152, {2,8,2,18}*1152, {2,4,4,9}*1152b
   5-fold covers : {2,20,2,9}*1440, {10,4,2,9}*1440, {2,4,2,45}*1440
   6-fold covers : {4,4,2,27}*1728, {2,8,2,27}*1728, {2,4,2,54}*1728, {4,12,2,9}*1728a, {12,4,2,9}*1728a, {2,24,2,9}*1728, {6,8,2,9}*1728, {2,8,6,9}*1728, {4,4,6,9}*1728, {2,12,2,18}*1728, {2,4,6,18}*1728a, {6,4,2,18}*1728a, {2,4,6,18}*1728b
Permutation Representation (GAP) :

s0 := (1,2);;
s1 := (4,5);;
s2 := (3,4)(5,6);;
s3 := ( 8, 9)(10,11)(12,13)(14,15);;
s4 := ( 7, 8)( 9,10)(11,12)(13,14);;
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, s1*s2*s1*s2*s1*s2*s1*s2, 
s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4 ];;
poly := F / rels;;

Permutation Representation (Magma) :

s0 := Sym(15)!(1,2);
s1 := Sym(15)!(4,5);
s2 := Sym(15)!(3,4)(5,6);
s3 := Sym(15)!( 8, 9)(10,11)(12,13)(14,15);
s4 := Sym(15)!( 7, 8)( 9,10)(11,12)(13,14);
poly := sub<Sym(15)|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, 
s1*s2*s1*s2*s1*s2*s1*s2, s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4*s3*s4 >;

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