Polytope of Type {39,4} with group SmallGroup(312,48)

Overview

Group: SmallGroup(312,48)
Rank: 3
Schläfli Type: {39,4}
Vertices, edges, …: 39, 78, 4
Order of s₀s₁s₂: 39
Order of s₀s₁s₂s₁: 4
Also known as: if this polytope has a name.

Special Properties

Compact Hyperbolic Quotient
Locally Spherical
Non-Orientable
Flat
Self-Petrie

Related Polytopes

Constructions

Facet of

{39,4,2} ·624

Vertex figure of

Quotients maximal quotients in bold

13-fold

{3,4}*24

Covers minimal covers in bold

2-fold

3-fold

{117,4}*936

4-fold

5-fold

{195,4}*1560

6-fold

Irregular Quotients of which this is a minimal cover

None.

Representations

Permutation Representation (GAP)

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

References