Finite Group Databasebeta

#72225525

order2048
nilpotency class4
automorphism?
homologyAbelianization (H1) = C22×C4×C8 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC8C4×#442
commutatorC2×C8C22×C4×C8
Frattini, cosocleC2×C4×C16C24
socleC2#72225524
prime radicalC2×#508C2×C8
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C8 ◁ C2×#346 ◁ C4×#1398 ◁ G
LECSG ▷ C2×C4×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

1362 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 64
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 64 points:

(1,2,9,16)(3,17,24,39)(4,25,30,47)(5,31,29,12)(6,11,34,14)(7,35,8,15)(10,37,42,21)(13,27,44,32)(18,41,22,40)(19,54,26,61)(20,57,58,49)(23,48,36,50)(28,45,62,60)(33,46,51,43)(38,52,63,56)(53,59,55,64);(1,3,5,20,6,22,33,55,8,23,4,26,27,21,28,52,9,24,29,58,34,18,51,53,7,36,30,19,32,37,62,56)(2,10,12,38,11,39,43,57,15,41,47,64,44,50,60,61,16,42,31,63,14,17,46,49,35,40,25,59,13,48,45,54);(2,11,15,44,16,14,35,13)(3,18,23,37,24,22,36,21)(12,43,47,60,31,46,25,45)(19,52,20,53,26,56,58,55);(1,4,6,28,8,29,27,51,9,30,34,62,7,5,32,33)(2,12,14,46,15,47,13,45,16,31,11,43,35,25,44,60)(3,19,22,56,23,20,21,55,24,26,18,52,36,58,37,53)(10,38,17,49,41,64,48,54,42,63,39,57,40,59,50,61)

Polycyclic presentation:

2^11|a^2=k,b^2=e,c^2=fgjk,d^2=g,e^2=h,f^2=ik,g^2=j,h^2=j,i^2=k,j^2=k,b^a=bf,c^a=cf,c^b=cfijk,d^a=dik,d^b=dij,e^a=ek,e^d=ek,f^a=fi,f^b=fik,g^a=gk,i^a=ik,i^b=ik

Conjugacy classes & character table

248 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72225554, #72227037, #72227091, …
maximal normal subgroup of#72225554, #72227037, #72227091, …

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from its polycyclic presentation:

gap> F := FreeGroup(IsSyllableWordsFamily, "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]);;
gap> SetPower(coll, 1, F.11);;
gap> SetPower(coll, 2, F.5);;
gap> SetPower(coll, 3, F.6*F.7*F.10*F.11);;
gap> SetPower(coll, 4, F.7);;
gap> SetPower(coll, 5, F.8);;
gap> SetPower(coll, 6, F.9*F.11);;
gap> SetPower(coll, 7, F.10);;
gap> SetPower(coll, 8, F.10);;
gap> SetPower(coll, 9, F.11);;
gap> SetPower(coll, 10, F.11);;
gap> SetConjugate(coll, 2, 1, F.2*F.6);;
gap> SetConjugate(coll, 3, 1, F.3*F.6);;
gap> SetConjugate(coll, 3, 2, F.3*F.6*F.9*F.10*F.11);;
gap> SetConjugate(coll, 4, 1, F.4*F.9*F.11);;
gap> SetConjugate(coll, 4, 2, F.4*F.9*F.10);;
gap> SetConjugate(coll, 5, 1, F.5*F.11);;
gap> SetConjugate(coll, 5, 4, F.5*F.11);;
gap> SetConjugate(coll, 6, 1, F.6*F.9);;
gap> SetConjugate(coll, 6, 2, F.6*F.9*F.11);;
gap> SetConjugate(coll, 7, 1, F.7*F.11);;
gap> SetConjugate(coll, 9, 1, F.9*F.11);;
gap> SetConjugate(coll, 9, 2, F.9*F.11);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);