Part of the Atlas of Small Regular Polytopes

Polytope of Type {2,4,28,2}

Atlas Canonical Name {2,4,28,2}*896

Overview

Group
SmallGroup(896,17525)
Rank
5
Schläfli Type
{2,4,28,2}
Vertices, edges, …
2, 4, 56, 28, 2
Order of s0s1s2s3s4
28
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

4-fold

7-fold

8-fold

14-fold

28-fold

Covers minimal covers in bold

2-fold

Representations

Permutation Representation (GAP) 
s0 := (1,2);;
s1 := (31,38)(32,39)(33,40)(34,41)(35,42)(36,43)(37,44)(45,52)(46,53)(47,54)(48,55)(49,56)(50,57)(51,58);;
s2 := ( 3,31)( 4,37)( 5,36)( 6,35)( 7,34)( 8,33)( 9,32)(10,38)(11,44)(12,43)(13,42)(14,41)(15,40)(16,39)(17,45)(18,51)(19,50)(20,49)(21,48)(22,47)(23,46)(24,52)(25,58)(26,57)(27,56)(28,55)(29,54)(30,53);;
s3 := ( 3, 4)( 5, 9)( 6, 8)(10,11)(12,16)(13,15)(17,18)(19,23)(20,22)(24,25)(26,30)(27,29)(31,46)(32,45)(33,51)(34,50)(35,49)(36,48)(37,47)(38,53)(39,52)(40,58)(41,57)(42,56)(43,55)(44,54);;
s4 := (59,60);;
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*s1*s0*s1, 
s0*s2*s0*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, s1*s2*s1*s2*s1*s2*s1*s2, 
s1*s2*s3*s2*s1*s2*s3*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*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(60)!(1,2);
s1 := Sym(60)!(31,38)(32,39)(33,40)(34,41)(35,42)(36,43)(37,44)(45,52)(46,53)(47,54)(48,55)(49,56)(50,57)(51,58);
s2 := Sym(60)!( 3,31)( 4,37)( 5,36)( 6,35)( 7,34)( 8,33)( 9,32)(10,38)(11,44)(12,43)(13,42)(14,41)(15,40)(16,39)(17,45)(18,51)(19,50)(20,49)(21,48)(22,47)(23,46)(24,52)(25,58)(26,57)(27,56)(28,55)(29,54)(30,53);
s3 := Sym(60)!( 3, 4)( 5, 9)( 6, 8)(10,11)(12,16)(13,15)(17,18)(19,23)(20,22)(24,25)(26,30)(27,29)(31,46)(32,45)(33,51)(34,50)(35,49)(36,48)(37,47)(38,53)(39,52)(40,58)(41,57)(42,56)(43,55)(44,54);
s4 := Sym(60)!(59,60);
poly := sub<Sym(60)|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*s1*s0*s1, s0*s2*s0*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, 
s1*s2*s1*s2*s1*s2*s1*s2, s1*s2*s3*s2*s1*s2*s3*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*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 >;