Polytope of Type {2,2,20,6}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,2,20,6}*1440
if this polytope has a name.
Group : SmallGroup(1440,5921)
Rank : 5
Schlafli Type : {2,2,20,6}
Number of vertices, edges, etc : 2, 2, 30, 90, 9
Order of s₀s₁s₂s₃s₄ : 20
Order of s₀s₁s₂s₃s₄s₃s₂s₁ : 2
Special Properties :
   Degenerate
   Universal
   Non-Orientable
   Flat
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   None in this Atlas
Vertex Figure Of :
   None in this Atlas
Quotients (Maximal Quotients in Boldface) :
   5-fold quotients : {2,2,4,6}*288
Covers (Minimal Covers in Boldface) :
   None in this atlas.
Permutation Representation (GAP) :

s0 := (1,2);;
s1 := (3,4);;
s2 := ( 6, 9)( 7, 8)(10,20)(11,24)(12,23)(13,22)(14,21)(15,35)(16,39)(17,38)
(18,37)(19,36)(26,29)(27,28)(30,40)(31,44)(32,43)(33,42)(34,41)(46,49)
(47,48);;
s3 := ( 5, 6)( 7, 9)(10,16)(11,15)(12,19)(13,18)(14,17)(20,21)(22,24)(25,31)
(26,30)(27,34)(28,33)(29,32)(35,36)(37,39)(40,46)(41,45)(42,49)(43,48)
(44,47);;
s4 := ( 5,25)( 6,26)( 7,27)( 8,28)( 9,29)(10,20)(11,21)(12,22)(13,23)(14,24)
(15,30)(16,31)(17,32)(18,33)(19,34)(35,40)(36,41)(37,42)(38,43)(39,44);;
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, 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*s3*s4*s3*s4*s3*s4, 
s2*s3*s4*s3*s4*s2*s3*s4*s2*s3*s4*s3*s2*s3, 
s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s3*s2*s4*s3*s2*s3*s2*s4*s3*s2*s3*s4 ];;
poly := F / rels;;

Permutation Representation (Magma) :

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

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