Polytope of Type {2,25,2,2}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {2,25,2,2}*400
if this polytope has a name.
Group : SmallGroup(400,54)
Rank : 5
Schlafli Type : {2,25,2,2}
Number of vertices, edges, etc : 2, 25, 25, 2, 2
Order of s₀s₁s₂s₃s₄ : 50
Order of s₀s₁s₂s₃s₄s₃s₂s₁ : 2
Special Properties :
   Degenerate
   Universal
   Orientable
   Flat
Related Polytopes :
   Facet
   Vertex Figure
   Dual
Facet Of :
   {2,25,2,2,2} of size 800
   {2,25,2,2,3} of size 1200
   {2,25,2,2,4} of size 1600
   {2,25,2,2,5} of size 2000
Vertex Figure Of :
   {2,2,25,2,2} of size 800
   {3,2,25,2,2} of size 1200
   {4,2,25,2,2} of size 1600
   {5,2,25,2,2} of size 2000
Quotients (Maximal Quotients in Boldface) :
   5-fold quotients : {2,5,2,2}*80
Covers (Minimal Covers in Boldface) :
   2-fold covers : {2,25,2,4}*800, {2,50,2,2}*800
   3-fold covers : {2,25,2,6}*1200, {2,75,2,2}*1200
   4-fold covers : {2,25,2,8}*1600, {2,100,2,2}*1600, {2,50,2,4}*1600, {2,50,4,2}*1600, {4,50,2,2}*1600
   5-fold covers : {2,125,2,2}*2000, {2,25,2,10}*2000, {2,25,10,2}*2000, {10,25,2,2}*2000
Permutation Representation (GAP) :

s0 := (1,2);;
s1 := ( 4, 5)( 6, 7)( 8, 9)(10,11)(12,13)(14,15)(16,17)(18,19)(20,21)(22,23)
(24,25)(26,27);;
s2 := ( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)(17,18)(19,20)(21,22)
(23,24)(25,26);;
s3 := (28,29);;
s4 := (30,31);;
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, 
s2*s3*s2*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*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 ];;
poly := F / rels;;

Permutation Representation (Magma) :

s0 := Sym(31)!(1,2);
s1 := Sym(31)!( 4, 5)( 6, 7)( 8, 9)(10,11)(12,13)(14,15)(16,17)(18,19)(20,21)
(22,23)(24,25)(26,27);
s2 := Sym(31)!( 3, 4)( 5, 6)( 7, 8)( 9,10)(11,12)(13,14)(15,16)(17,18)(19,20)
(21,22)(23,24)(25,26);
s3 := Sym(31)!(28,29);
s4 := Sym(31)!(30,31);
poly := sub<Sym(31)|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, s2*s3*s2*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*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2 >;

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