Part of the Atlas of Small Regular Polytopes

Polytope of Type {9,2,12,3}

Atlas Canonical Name {9,2,12,3}*1728

Overview

Group
SmallGroup(1728,30201)
Rank
5
Schläfli Type
{9,2,12,3}
Vertices, edges, …
9, 9, 16, 24, 4
Order of s0s1s2s3s4
72
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

12-fold

Covers minimal covers in bold

None in this atlas.

Representations

Permutation Representation (GAP)
s0 := (2,3)(4,5)(6,7)(8,9);;
s1 := (1,2)(3,4)(5,6)(7,8);;
s2 := (11,12)(13,14)(15,28)(16,31)(18,23)(19,22)(20,40)(21,43)(24,46)(25,47)(26,32)(27,29)(30,51)(33,50)(34,35)(36,52)(37,54)(38,41)(39,44)(42,56)(45,57)(48,49);;
s3 := (10,18)(11,13)(12,34)(14,19)(15,57)(16,56)(17,22)(20,51)(21,50)(23,35)(24,55)(25,53)(26,45)(27,42)(28,41)(29,43)(30,39)(31,44)(32,40)(33,38)(36,49)(37,48)(46,52)(47,54);;
s4 := (10,55)(11,49)(12,48)(13,45)(14,57)(15,20)(16,21)(17,53)(18,33)(19,51)(22,30)(23,50)(24,38)(25,39)(26,36)(27,37)(28,40)(29,54)(31,43)(32,52)(34,42)(35,56)(41,46)(44,47);;
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, 
s3*s4*s3*s4*s3*s4, s2*s3*s2*s3*s4*s2*s3*s2*s3*s2*s3*s4*s2*s3, 
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1 ];;
poly := F / rels;;
Permutation Representation (Magma)
s0 := Sym(57)!(2,3)(4,5)(6,7)(8,9);
s1 := Sym(57)!(1,2)(3,4)(5,6)(7,8);
s2 := Sym(57)!(11,12)(13,14)(15,28)(16,31)(18,23)(19,22)(20,40)(21,43)(24,46)(25,47)(26,32)(27,29)(30,51)(33,50)(34,35)(36,52)(37,54)(38,41)(39,44)(42,56)(45,57)(48,49);
s3 := Sym(57)!(10,18)(11,13)(12,34)(14,19)(15,57)(16,56)(17,22)(20,51)(21,50)(23,35)(24,55)(25,53)(26,45)(27,42)(28,41)(29,43)(30,39)(31,44)(32,40)(33,38)(36,49)(37,48)(46,52)(47,54);
s4 := Sym(57)!(10,55)(11,49)(12,48)(13,45)(14,57)(15,20)(16,21)(17,53)(18,33)(19,51)(22,30)(23,50)(24,38)(25,39)(26,36)(27,37)(28,40)(29,54)(31,43)(32,52)(34,42)(35,56)(41,46)(44,47);
poly := sub<Sym(57)|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, s3*s4*s3*s4*s3*s4, 
s2*s3*s2*s3*s4*s2*s3*s2*s3*s2*s3*s4*s2*s3, 
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1 >;