Part of the Atlas of Small Regular Polytopes

Polytope of Type {9,2,4,12}

Atlas Canonical Name {9,2,4,12}*1728c

Overview

Group
SmallGroup(1728,30173)
Rank
5
Schläfli Type
{9,2,4,12}
Vertices, edges, …
9, 9, 4, 24, 12
Order of s0s1s2s3s4
36
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

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 := (10,30)(11,22)(12,19)(13,44)(14,45)(15,16)(17,36)(18,37)(20,31)(21,32)(23,28)(24,29)(25,56)(26,57)(27,55)(33,51)(34,53)(35,49)(38,54)(39,52)(40,50)(41,48)(42,46)(43,47);;
s3 := (11,12)(13,14)(15,25)(17,21)(18,20)(19,33)(22,38)(23,41)(24,26)(27,43)(28,29)(30,46)(31,49)(32,39)(34,37)(35,53)(36,50)(40,52)(44,55)(45,47)(48,57)(51,54);;
s4 := (10,18)(11,14)(12,29)(13,17)(15,32)(16,21)(19,24)(20,28)(22,45)(23,31)(25,35)(26,52)(27,38)(30,37)(33,48)(34,43)(36,44)(39,57)(40,46)(41,51)(42,50)(47,53)(49,56)(54,55);;
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*s4*s3*s2*s3*s4*s3*s4*s3, 
s4*s3*s4*s2*s3*s4*s2*s3*s4*s2*s3*s4*s3*s4*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)!(10,30)(11,22)(12,19)(13,44)(14,45)(15,16)(17,36)(18,37)(20,31)(21,32)(23,28)(24,29)(25,56)(26,57)(27,55)(33,51)(34,53)(35,49)(38,54)(39,52)(40,50)(41,48)(42,46)(43,47);
s3 := Sym(57)!(11,12)(13,14)(15,25)(17,21)(18,20)(19,33)(22,38)(23,41)(24,26)(27,43)(28,29)(30,46)(31,49)(32,39)(34,37)(35,53)(36,50)(40,52)(44,55)(45,47)(48,57)(51,54);
s4 := Sym(57)!(10,18)(11,14)(12,29)(13,17)(15,32)(16,21)(19,24)(20,28)(22,45)(23,31)(25,35)(26,52)(27,38)(30,37)(33,48)(34,43)(36,44)(39,57)(40,46)(41,51)(42,50)(47,53)(49,56)(54,55);
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, s2*s3*s2*s3*s2*s3*s2*s3, 
s2*s3*s4*s3*s4*s3*s2*s3*s4*s3*s4*s3, 
s4*s3*s4*s2*s3*s4*s2*s3*s4*s2*s3*s4*s3*s4*s3, 
s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1 >;