Polytope of Type {20,10,2}

This page is part of the Atlas of Small Regular Polytopes
Atlas Canonical Name : {20,10,2}*2000a
if this polytope has a name.
Group : SmallGroup(2000,482)
Rank : 4
Schlafli Type : {20,10,2}
Number of vertices, edges, etc : 50, 250, 25, 2
Order of s₀s₁s₂s₃ : 4
Order of s₀s₁s₂s₃s₂s₁ : 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 : {4,10,2}*400
Covers (Minimal Covers in Boldface) :
   None in this atlas.
Permutation Representation (GAP) :

s0 := (  2,  5)(  3,  4)(  6, 32)(  7, 31)(  8, 35)(  9, 34)( 10, 33)( 11, 64)
( 12, 63)( 13, 62)( 14, 61)( 15, 65)( 16, 92)( 17, 91)( 18, 95)( 19, 94)
( 20, 93)( 21,121)( 22,125)( 23,124)( 24,123)( 25,122)( 26,101)( 27,105)
( 28,104)( 29,103)( 30,102)( 36, 39)( 37, 38)( 41, 67)( 42, 66)( 43, 70)
( 44, 69)( 45, 68)( 46, 96)( 47,100)( 48, 99)( 49, 98)( 50, 97)( 51, 76)
( 52, 80)( 53, 79)( 54, 78)( 55, 77)( 56,107)( 57,106)( 58,110)( 59,109)
( 60,108)( 72, 75)( 73, 74)( 81, 82)( 83, 85)( 86,114)( 87,113)( 88,112)
( 89,111)( 90,115)(116,117)(118,120);;
s1 := (  1,  2)(  3,  5)(  6, 95)(  7, 94)(  8, 93)(  9, 92)( 10, 91)( 11, 32)
( 12, 31)( 13, 35)( 14, 34)( 15, 33)( 16,123)( 17,122)( 18,121)( 19,125)
( 20,124)( 21, 63)( 22, 62)( 23, 61)( 24, 65)( 25, 64)( 26, 72)( 27, 71)
( 28, 75)( 29, 74)( 30, 73)( 36, 76)( 37, 80)( 38, 79)( 39, 78)( 40, 77)
( 41, 44)( 42, 43)( 46,106)( 47,110)( 48,109)( 49,108)( 50,107)( 51,120)
( 52,119)( 53,118)( 54,117)( 55,116)( 56, 57)( 58, 60)( 66, 88)( 67, 87)
( 68, 86)( 69, 90)( 70, 89)( 81,105)( 82,104)( 83,103)( 84,102)( 85,101)
( 97,100)( 98, 99)(112,115)(113,114);;
s2 := (  1, 40)(  2, 36)(  3, 37)(  4, 38)(  5, 39)(  6, 31)(  7, 32)(  8, 33)
(  9, 34)( 10, 35)( 11, 27)( 12, 28)( 13, 29)( 14, 30)( 15, 26)( 16, 48)
( 17, 49)( 18, 50)( 19, 46)( 20, 47)( 21, 44)( 22, 45)( 23, 41)( 24, 42)
( 25, 43)( 51,115)( 52,111)( 53,112)( 54,113)( 55,114)( 56,106)( 57,107)
( 58,108)( 59,109)( 60,110)( 61,102)( 62,103)( 63,104)( 64,105)( 65,101)
( 66,123)( 67,124)( 68,125)( 69,121)( 70,122)( 71,119)( 72,120)( 73,116)
( 74,117)( 75,118)( 76, 90)( 77, 86)( 78, 87)( 79, 88)( 80, 89)( 91, 98)
( 92, 99)( 93,100)( 94, 96)( 95, 97);;
s3 := (126,127);;
poly := Group([s0,s1,s2,s3]);;

Finitely Presented Group Representation (GAP) :

F := FreeGroup("s0","s1","s2","s3");;
s0 := F.1;;  s1 := F.2;;  s2 := F.3;;  s3 := F.4;;  
rels := [ s0*s0, s1*s1, s2*s2, s3*s3, s0*s2*s0*s2, 
s0*s3*s0*s3, s1*s3*s1*s3, s2*s3*s2*s3, 
s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1, 
s0*s1*s2*s1*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s2*s1*s0*s1*s2*s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1*s0*s1 ];;
poly := F / rels;;

Permutation Representation (Magma) :

s0 := Sym(127)!(  2,  5)(  3,  4)(  6, 32)(  7, 31)(  8, 35)(  9, 34)( 10, 33)
( 11, 64)( 12, 63)( 13, 62)( 14, 61)( 15, 65)( 16, 92)( 17, 91)( 18, 95)
( 19, 94)( 20, 93)( 21,121)( 22,125)( 23,124)( 24,123)( 25,122)( 26,101)
( 27,105)( 28,104)( 29,103)( 30,102)( 36, 39)( 37, 38)( 41, 67)( 42, 66)
( 43, 70)( 44, 69)( 45, 68)( 46, 96)( 47,100)( 48, 99)( 49, 98)( 50, 97)
( 51, 76)( 52, 80)( 53, 79)( 54, 78)( 55, 77)( 56,107)( 57,106)( 58,110)
( 59,109)( 60,108)( 72, 75)( 73, 74)( 81, 82)( 83, 85)( 86,114)( 87,113)
( 88,112)( 89,111)( 90,115)(116,117)(118,120);
s1 := Sym(127)!(  1,  2)(  3,  5)(  6, 95)(  7, 94)(  8, 93)(  9, 92)( 10, 91)
( 11, 32)( 12, 31)( 13, 35)( 14, 34)( 15, 33)( 16,123)( 17,122)( 18,121)
( 19,125)( 20,124)( 21, 63)( 22, 62)( 23, 61)( 24, 65)( 25, 64)( 26, 72)
( 27, 71)( 28, 75)( 29, 74)( 30, 73)( 36, 76)( 37, 80)( 38, 79)( 39, 78)
( 40, 77)( 41, 44)( 42, 43)( 46,106)( 47,110)( 48,109)( 49,108)( 50,107)
( 51,120)( 52,119)( 53,118)( 54,117)( 55,116)( 56, 57)( 58, 60)( 66, 88)
( 67, 87)( 68, 86)( 69, 90)( 70, 89)( 81,105)( 82,104)( 83,103)( 84,102)
( 85,101)( 97,100)( 98, 99)(112,115)(113,114);
s2 := Sym(127)!(  1, 40)(  2, 36)(  3, 37)(  4, 38)(  5, 39)(  6, 31)(  7, 32)
(  8, 33)(  9, 34)( 10, 35)( 11, 27)( 12, 28)( 13, 29)( 14, 30)( 15, 26)
( 16, 48)( 17, 49)( 18, 50)( 19, 46)( 20, 47)( 21, 44)( 22, 45)( 23, 41)
( 24, 42)( 25, 43)( 51,115)( 52,111)( 53,112)( 54,113)( 55,114)( 56,106)
( 57,107)( 58,108)( 59,109)( 60,110)( 61,102)( 62,103)( 63,104)( 64,105)
( 65,101)( 66,123)( 67,124)( 68,125)( 69,121)( 70,122)( 71,119)( 72,120)
( 73,116)( 74,117)( 75,118)( 76, 90)( 77, 86)( 78, 87)( 79, 88)( 80, 89)
( 91, 98)( 92, 99)( 93,100)( 94, 96)( 95, 97);
s3 := Sym(127)!(126,127);
poly := sub<Sym(127)|s0,s1,s2,s3>;

Finitely Presented Group Representation (Magma) :

poly<s0,s1,s2,s3> := Group< s0,s1,s2,s3 | s0*s0, s1*s1, s2*s2, 
s3*s3, s0*s2*s0*s2, s0*s3*s0*s3, s1*s3*s1*s3, 
s2*s3*s2*s3, s2*s0*s1*s2*s0*s1*s2*s0*s1*s2*s0*s1, 
s0*s1*s2*s1*s0*s1*s0*s1*s0*s1*s2*s1*s0*s1*s0*s1, 
s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2*s1*s2, 
s2*s1*s0*s1*s2*s0*s1*s2*s1*s2*s1*s0*s1*s2*s1*s2*s1*s2*s1*s0*s1 >;

to this polytope