Finite Group Databasebeta

#72304159

order1024
nilpotency class4
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#8534
commutatorC22×C22⋊C4C22×C4
Frattini, cosocleC22×#123C23
prime radical#5020750C2
LCSG ▷ C22×C22⋊C4 ▷ C24 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C24 ◁ C22×#123 ◁ G
LECSG ▷ C22×#123 ▷ C24 ▷ C22 ▷ C1

2545 conjugacy classes of subgroups; only the 95 normal subgroups are shown.

normal subgroups only

This group has 2545 conjugacy classes of subgroups — too many to draw. Only its 95 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 40 points:

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

Polycyclic presentation:

2^10|a^2=d,c^2=ghj,d^2=j,e^2=i,b^a=bf,c^a=ce,c^b=cgj,d^c=dh,e^a=ehi,e^b=eg,e^c=ej,e^d=ei,f^c=fg,f^e=fj,g^a=gj,h^a=hi

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72304160
maximal normal subgroup of#72304160

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