Part of the Atlas of Small Regular Polytopes

Polytope of Type {6,20}

Atlas Canonical Name {6,20}*960b

▶ Play as a twisty puzzle

Overview

Group
SmallGroup(960,10877)
Rank
3
Schläfli Type
{6,20}
Vertices, edges, …
24, 240, 80
Order of s0s1s2
8
Order of s0s1s2s1
8
Also known as
if this polytope has a name.

Special Properties

  • Compact Hyperbolic Quotient
  • Locally Spherical
  • Orientable

Quotients maximal quotients in bold

2-fold

4-fold

8-fold

120-fold

Covers minimal covers in bold

2-fold

Irregular Quotients of which this is a minimal cover

None.

Representations

Permutation Representation (GAP)
s0 := ( 1, 5)( 2,41)( 3,32)( 4,54)( 6,43)( 7,18)( 9,14)(10,47)(11,16)(12,64)(13,44)(15,19)(17,62)(20,30)(21,53)(22,27)(23,36)(24,34)(25,29)(26,55)(28,39)(31,75)(33,78)(35,77)(37,76)(38,73)(42,80)(45,70)(46,61)(48,72)(49,66)(51,69)(52,79)(56,58)(57,60)(59,71)(63,67)(65,68);;
s1 := ( 2,36)( 3,27)( 4,35)( 5,37)( 6,66)( 7,61)( 8,63)( 9,69)(10,46)(11,47)(12,45)(13,43)(14,44)(15,64)(16,71)(18,48)(19,70)(21,54)(22,32)(23,73)(24,74)(26,75)(28,38)(29,76)(30,40)(31,77)(33,39)(41,80)(42,78)(49,58)(50,57)(51,56)(52,53)(55,79)(59,72)(60,67);;
s2 := ( 1,44)( 2,11)( 3,48)( 4,63)( 5,13)( 6,27)( 7,20)( 8,74)( 9,26)(10,42)(12,31)(14,55)(15,36)(16,41)(17,38)(18,30)(19,23)(21,46)(22,43)(24,66)(25,71)(28,57)(29,59)(32,72)(33,56)(34,49)(35,65)(37,45)(39,60)(40,50)(47,80)(51,52)(53,61)(54,67)(58,78)(62,73)(64,75)(68,77)(69,79)(70,76);;
poly := Group([s0,s1,s2]);;
Finitely Presented Group Representation (GAP)
F := FreeGroup("s0","s1","s2");;
s0 := F.1;;  s1 := F.2;;  s2 := F.3;;  
rels := [ s0*s0, s1*s1, s2*s2, s0*s2*s0*s2, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, 
s0*s1*s0*s1*s2*s1*s2*s1*s2*s1*s0*s1*s0*s1*s2*s1*s2*s1*s2*s1, 
s0*s1*s2*s1*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1*s2*s1, 
s0*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s2*s1*s0*s2*s1*s0*s2*s1 ];;
poly := F / rels;;
Permutation Representation (Magma)
s0 := Sym(80)!( 1, 5)( 2,41)( 3,32)( 4,54)( 6,43)( 7,18)( 9,14)(10,47)(11,16)(12,64)(13,44)(15,19)(17,62)(20,30)(21,53)(22,27)(23,36)(24,34)(25,29)(26,55)(28,39)(31,75)(33,78)(35,77)(37,76)(38,73)(42,80)(45,70)(46,61)(48,72)(49,66)(51,69)(52,79)(56,58)(57,60)(59,71)(63,67)(65,68);
s1 := Sym(80)!( 2,36)( 3,27)( 4,35)( 5,37)( 6,66)( 7,61)( 8,63)( 9,69)(10,46)(11,47)(12,45)(13,43)(14,44)(15,64)(16,71)(18,48)(19,70)(21,54)(22,32)(23,73)(24,74)(26,75)(28,38)(29,76)(30,40)(31,77)(33,39)(41,80)(42,78)(49,58)(50,57)(51,56)(52,53)(55,79)(59,72)(60,67);
s2 := Sym(80)!( 1,44)( 2,11)( 3,48)( 4,63)( 5,13)( 6,27)( 7,20)( 8,74)( 9,26)(10,42)(12,31)(14,55)(15,36)(16,41)(17,38)(18,30)(19,23)(21,46)(22,43)(24,66)(25,71)(28,57)(29,59)(32,72)(33,56)(34,49)(35,65)(37,45)(39,60)(40,50)(47,80)(51,52)(53,61)(54,67)(58,78)(62,73)(64,75)(68,77)(69,79)(70,76);
poly := sub<Sym(80)|s0,s1,s2>;
Finitely Presented Group Representation (Magma)
poly<s0,s1,s2> := Group< s0,s1,s2 | s0*s0, s1*s1, s2*s2, 
s0*s2*s0*s2, s0*s1*s0*s1*s0*s1*s0*s1*s0*s1*s0*s1, 
s0*s1*s0*s1*s2*s1*s2*s1*s2*s1*s0*s1*s0*s1*s2*s1*s2*s1*s2*s1, 
s0*s1*s2*s1*s2*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1*s2*s1, 
s0*s1*s0*s1*s2*s1*s0*s1*s2*s1*s0*s1*s2*s1*s2*s1*s0*s2*s1*s0*s2*s1 >; 

References

None.

to this polytope.

Twisty Puzzle