Part of the Atlas of Small Regular Polytopes

Polytope of Type {5,2,40}

Atlas Canonical Name {5,2,40}*800

Overview

Group
SmallGroup(800,570)
Rank
4
Schläfli Type
{5,2,40}
Vertices, edges, …
5, 5, 40, 40
Order of s0s1s2s3
40
Order of s0s1s2s3s2s1
2
Also known as
if this polytope has a name.

Special Properties

  • Degenerate
  • Universal
  • Orientable
  • Flat

Quotients maximal quotients in bold

2-fold

4-fold

5-fold

8-fold

10-fold

20-fold

Covers minimal covers in bold

2-fold

Representations

Permutation Representation (GAP)
s0 := (2,3)(4,5);;
s1 := (1,2)(3,4);;
s2 := ( 7, 8)( 9,10)(11,14)(12,16)(13,15)(17,18)(19,24)(20,26)(21,25)(22,28)(23,27)(30,35)(31,34)(32,37)(33,36)(38,39)(40,43)(41,42)(44,45);;
s3 := ( 6,12)( 7, 9)( 8,20)(10,22)(11,15)(13,17)(14,30)(16,32)(18,23)(19,25)(21,27)(24,38)(26,40)(28,33)(29,34)(31,36)(35,44)(37,41)(39,42)(43,45);;
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, 
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3 ];;
poly := F / rels;;
Permutation Representation (Magma)
s0 := Sym(45)!(2,3)(4,5);
s1 := Sym(45)!(1,2)(3,4);
s2 := Sym(45)!( 7, 8)( 9,10)(11,14)(12,16)(13,15)(17,18)(19,24)(20,26)(21,25)(22,28)(23,27)(30,35)(31,34)(32,37)(33,36)(38,39)(40,43)(41,42)(44,45);
s3 := Sym(45)!( 6,12)( 7, 9)( 8,20)(10,22)(11,15)(13,17)(14,30)(16,32)(18,23)(19,25)(21,27)(24,38)(26,40)(28,33)(29,34)(31,36)(35,44)(37,41)(39,42)(43,45);
poly := sub<Sym(45)|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, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, 
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3 >;