Polytope of Type {4,6}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {4,6}*240b
Also Known As : {4,6|3}. if this polytope has another name.
Group : SmallGroup(240,189)
Rank : 3
Schlafli Type : {4,6}
Number of vertices, edges, etc : 20, 60, 30
Order of s₀s₁s₂ : 10
Order of s₀s₁s₂s₁ : 3
Special Properties :
   Compact Hyperbolic Quotient
   Locally Spherical
   Orientable
Related Polytopes :
   Facet
   Vertex Figure
   Dual
   Petrial
   Halving Operation
Facet Of :
   {4,6,2} of size 480
   {4,6,3} of size 1440
Vertex Figure Of :
   {2,4,6} of size 480
Quotients (Maximal Quotients in Boldface) :
   2-fold quotients : {4,6}*120
Covers (Minimal Covers in Boldface) :
   2-fold covers : {4,12}*480a, {4,12}*480b, {4,6}*480
   3-fold covers : {12,6}*720b
   4-fold covers : {4,24}*960a, {4,24}*960b, {8,6}*960a, {4,6}*960, {4,12}*960a, {8,6}*960b, {4,12}*960b
   6-fold covers : {12,12}*1440a, {12,12}*1440b, {4,6}*1440b, {12,6}*1440c, {12,6}*1440d
   8-fold covers : {4,12}*1920a, {4,24}*1920a, {8,6}*1920a, {4,24}*1920b, {8,12}*1920a, {8,12}*1920b, {4,24}*1920c, {4,24}*1920d, {8,12}*1920c, {8,6}*1920b, {8,12}*1920d, {4,12}*1920b, {4,6}*1920
Permutation Representation (GAP) :

s0 := (4,5);;
s1 := (2,4)(3,5)(6,7);;
s2 := (1,2);;
poly := Group([s0,s1,s2]);;

Finitely Presented Group Representation (GAP) :

F := FreeGroup("s0","s1","s2");;
s0 := F.1;;  s1 := F.2;;  s2 := F.3;;  
rels := [ s0*s0, s1*s1, s2*s2, s0*s2*s0*s2, s0*s1*s0*s1*s0*s1*s0*s1, 
s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 ];;
poly := F / rels;;

Permutation Representation (Magma) :

s0 := Sym(7)!(4,5);
s1 := Sym(7)!(2,4)(3,5)(6,7);
s2 := Sym(7)!(1,2);
poly := sub<Sym(7)|s0,s1,s2>;

Finitely Presented Group Representation (Magma) :

poly<s0,s1,s2> := Group< s0,s1,s2 | s0*s0, s1*s1, s2*s2, 
s0*s2*s0*s2, s0*s1*s0*s1*s0*s1*s0*s1, 
s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 >;

References : None.
to this polytope