Finite Group Databasebeta

#72302485

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C27×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutatorC22×C4C22×C42
Frattini, cosocleC24×C4C24
socleC23C22×#95
prime radicalC26C2×D4
LCSG ▷ C22×C4 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C24×C4 ▷ C2 ▷ C1

10013 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 128

Polycyclic presentation:

2^10|a^2=f,b^2=i,c^2=e,g^2=j,i^2=j,b^a=bg,c^a=ce,c^b=ch,d^a=de,f^b=fj,i^a=ij

Conjugacy classes & character table

184 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72302515, #72302747, #72302757
maximal normal subgroup of#72302515, #72302747, #72302757

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