Part of the Atlas of Small Regular Polytopes

Polytope of Type {7,2,4,12}

Atlas Canonical Name {7,2,4,12}*1344a

Overview

Group
SmallGroup(1344,7764)
Rank
5
Schläfli Type
{7,2,4,12}
Vertices, edges, …
7, 7, 4, 24, 12
Order of s0s1s2s3s4
84
Order of s0s1s2s3s4s3s2s1
2
Also known as
if this polytope has a name.

Special Properties

  • Degenerate
  • Universal
  • Orientable
  • Flat

Quotients maximal quotients in bold

2-fold

3-fold

4-fold

6-fold

8-fold

12-fold

Covers minimal covers in bold

None in this atlas.

Representations

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