Part of the Atlas of Small Regular Polytopes

Polytope of Type {6,8,2,2}

Atlas Canonical Name {6,8,2,2}*1920b

Overview

Group
SmallGroup(1920,240973)
Rank
5
Schläfli Type
{6,8,2,2}
Vertices, edges, …
30, 120, 40, 2, 2
Order of s0s1s2s3s4
10
Order of s0s1s2s3s4s3s2s1
2
Also known as
if this polytope has a name.

Special Properties

  • Degenerate
  • Universal
  • Non-Orientable
  • Flat

Quotients maximal quotients in bold

2-fold

4-fold

Covers minimal covers in bold

None in this atlas.

Representations

Permutation Representation (GAP) 
s0 := ( 1,11)( 2,24)( 3, 9)( 4,10)( 5,12)( 6,25)( 7,40)( 8,39)(13,19)(14,36)(15,27)(16,28)(17,18)(20,22)(26,35)(29,38)(30,37)(31,32)(33,34);;
s1 := ( 3,10)( 4, 9)( 7,26)( 8,17)(11,22)(12,23)(13,16)(14,15)(18,37)(19,38)(20,25)(21,24)(27,32)(28,31)(29,36)(30,35)(33,40)(34,39);;
s2 := ( 1,36)( 2,19)( 3,37)( 4,38)( 5,35)( 6,18)( 8,15)( 9,30)(10,29)(11,14)(12,26)(13,24)(17,25)(21,23)(27,39)(31,32)(33,34);;
s3 := (41,42);;
s4 := (43,44);;
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*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, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, 
s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2, 
s0*s1*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 ];;
poly := F / rels;;
Permutation Representation (Magma) 
s0 := Sym(44)!( 1,11)( 2,24)( 3, 9)( 4,10)( 5,12)( 6,25)( 7,40)( 8,39)(13,19)(14,36)(15,27)(16,28)(17,18)(20,22)(26,35)(29,38)(30,37)(31,32)(33,34);
s1 := Sym(44)!( 3,10)( 4, 9)( 7,26)( 8,17)(11,22)(12,23)(13,16)(14,15)(18,37)(19,38)(20,25)(21,24)(27,32)(28,31)(29,36)(30,35)(33,40)(34,39);
s2 := Sym(44)!( 1,36)( 2,19)( 3,37)( 4,38)( 5,35)( 6,18)( 8,15)( 9,30)(10,29)(11,14)(12,26)(13,24)(17,25)(21,23)(27,39)(31,32)(33,34);
s3 := Sym(44)!(41,42);
s4 := Sym(44)!(43,44);
poly := sub<Sym(44)|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*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, 
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, 
s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1*s2, 
s0*s1*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 >;