Finite Group Databasebeta

#72308169

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C23×#102
commutatorC2×C8C24×C4
Frattini, cosocleC22×C8C25
prime radical#10575331C2
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×#117 ◁ C22×#405 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

5541 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 40 points:

(3,7)(5,8)(10,15,18,26)(11,20,22,32)(12,25)(13,29)(16,28)(19,36,35,31)(23,39,27,24)(30,40)(33,37)(34,38);(1,2)(3,8)(4,6)(5,7);(1,3,4,7)(2,5,6,8)(9,10,16,31,29,35,28,15,14,18,25,36,13,19,12,26)(11,21,20,37,39,34,23,33,22,17,32,40,24,38,27,30);(2,6)(5,8)(9,11,12,27,13,24,25,32,14,22,28,23,29,39,16,20)(10,17,26,33,19,34,36,37,18,21,15,30,35,38,31,40);(10,18)(15,26)(17,21)(19,35)(30,33)(31,36)(34,38)(37,40)

Polycyclic presentation:

2^10|a^2=f,c^2=fgij,d^2=fh,g^2=i,h^2=i,i^2=j,c^a=cg,c^b=cghij,d^a=dhi,d^b=dghij,d^c=dj,e^c=ej,f^c=fj,f^d=fj,g^a=gi,g^c=gj,g^d=gj,h^a=hi,h^c=hj,h^d=hj,i^a=ij

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72308189, #72308279, #72308595
maximal normal subgroup of#72308189, #72308279, #72308595

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");;
gap> coll := SingleCollector(F, [2, 2, 2, 2, 2, 2, 2, 2, 2, 2]);;
gap> SetPower(coll, 1, F.6);;
gap> SetPower(coll, 3, F.6*F.7*F.9*F.10);;
gap> SetPower(coll, 4, F.6*F.8);;
gap> SetPower(coll, 7, F.9);;
gap> SetPower(coll, 8, F.9);;
gap> SetPower(coll, 9, F.10);;
gap> SetConjugate(coll, 3, 1, F.3*F.7);;
gap> SetConjugate(coll, 3, 2, F.3*F.7*F.8*F.9*F.10);;
gap> SetConjugate(coll, 4, 1, F.4*F.8*F.9);;
gap> SetConjugate(coll, 4, 2, F.4*F.7*F.8*F.9*F.10);;
gap> SetConjugate(coll, 4, 3, F.4*F.10);;
gap> SetConjugate(coll, 5, 3, F.5*F.10);;
gap> SetConjugate(coll, 6, 3, F.6*F.10);;
gap> SetConjugate(coll, 6, 4, F.6*F.10);;
gap> SetConjugate(coll, 7, 1, F.7*F.9);;
gap> SetConjugate(coll, 7, 3, F.7*F.10);;
gap> SetConjugate(coll, 7, 4, F.7*F.10);;
gap> SetConjugate(coll, 8, 1, F.8*F.9);;
gap> SetConjugate(coll, 8, 3, F.8*F.10);;
gap> SetConjugate(coll, 8, 4, F.8*F.10);;
gap> SetConjugate(coll, 9, 1, F.9*F.10);;
gap> UpdatePolycyclicCollector(coll);;
gap> G := GroupByRws(coll);