Part of the Atlas of Small Regular Polytopes

Polytope of Type {2,4,15}

Atlas Canonical Name {2,4,15}*240

Overview

Group
SmallGroup(240,197)
Rank
4
Schläfli Type
{2,4,15}
Vertices, edges, …
2, 4, 30, 15
Order of s0s1s2s3
30
Order of s0s1s2s3s2s1
2
Also known as
if this polytope has a name.

Special Properties

  • Degenerate
  • Universal
  • Non-Orientable
  • Flat

Quotients maximal quotients in bold

5-fold

Covers minimal covers in bold

2-fold

3-fold

4-fold

5-fold

6-fold

7-fold

8-fold

Representations

Permutation Representation (GAP)
s0 := (1,2);;
s1 := ( 3, 6)( 4, 8)( 5,10)( 7,13)( 9,17)(11,12)(14,18)(15,16)(19,22)(20,21);;
s2 := ( 4, 5)( 6,11)( 7, 9)( 8,14)(10,15)(13,19)(16,18)(17,20)(21,22);;
s3 := ( 3, 4)( 5, 7)( 6, 8)(10,13)(11,16)(12,15)(14,21)(18,20)(19,22);;
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*s1*s0*s1, 
s0*s2*s0*s2, s0*s3*s0*s3, s1*s3*s1*s3, 
s1*s2*s1*s2*s1*s2*s1*s2, s1*s2*s3*s2*s1*s2*s3*s1*s2, 
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(22)!(1,2);
s1 := Sym(22)!( 3, 6)( 4, 8)( 5,10)( 7,13)( 9,17)(11,12)(14,18)(15,16)(19,22)(20,21);
s2 := Sym(22)!( 4, 5)( 6,11)( 7, 9)( 8,14)(10,15)(13,19)(16,18)(17,20)(21,22);
s3 := Sym(22)!( 3, 4)( 5, 7)( 6, 8)(10,13)(11,16)(12,15)(14,21)(18,20)(19,22);
poly := sub<Sym(22)|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*s1*s0*s1, s0*s2*s0*s2, s0*s3*s0*s3, 
s1*s3*s1*s3, s1*s2*s1*s2*s1*s2*s1*s2, 
s1*s2*s3*s2*s1*s2*s3*s1*s2, 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 >;