Polytope of Type {3,3,6}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {3,3,6}*240
Also Known As : Dual of 3T4(2,0), {{3,3},{3,6}4}. if this polytope has another name.
Group : SmallGroup(240,189)
Rank : 4
Schlafli Type : {3,3,6}
Number of vertices, edges, etc : 5, 10, 20, 10
Order of s0s1s2s3 : 10
Order of s0s1s2s3s2s1 : 6
Special Properties :
   Universal
   Locally Toroidal
   Orientable
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   {3,3,6,2} of size 480
   {3,3,6,4} of size 960
   {3,3,6,3} of size 1440
   {3,3,6,6} of size 1440
   {3,3,6,8} of size 1920
Vertex Figure Of :
   {2,3,3,6} of size 480
   {3,3,3,6} of size 1440
Quotients (Maximal Quotients in Boldface) :
   2-fold quotients : {3,3,3}*120
Covers (Minimal Covers in Boldface) :
   2-fold covers : {3,6,6}*480, {6,3,6}*480
   3-fold covers : {3,3,6}*720
   4-fold covers : {3,12,6}*960, {3,6,12}*960, {6,6,6}*960
   6-fold covers : {3,6,6}*1440a, {3,6,6}*1440b, {3,6,6}*1440c, {6,3,6}*1440a, {6,3,6}*1440b
   8-fold covers : {3,6,24}*1920, {6,6,12}*1920, {6,12,6}*1920a, {12,6,6}*1920, {3,12,12}*1920, {6,12,6}*1920b
Permutation Representation (GAP) : 
s0 := (4,5);;
s1 := (3,4);;
s2 := (2,3);;
s3 := (1,2)(6,7);;
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, 
s0*s3*s0*s3, s1*s3*s1*s3, s0*s1*s0*s1*s0*s1, 
s1*s2*s1*s2*s1*s2, s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2 ];;
poly := F / rels;;
Permutation Representation (Magma) : 
s0 := Sym(7)!(4,5);
s1 := Sym(7)!(3,4);
s2 := Sym(7)!(2,3);
s3 := Sym(7)!(1,2)(6,7);
poly := sub<Sym(7)|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, s0*s3*s0*s3, s1*s3*s1*s3, 
s0*s1*s0*s1*s0*s1, s1*s2*s1*s2*s1*s2, 
s3*s1*s2*s3*s1*s2*s3*s1*s2*s3*s1*s2 >;
References :
  1. Theorem 11B5, McMullen P., Schulte, E.; Abstract Regular Polytopes (Cambr\ idge University Press, 2002)

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