Finite Group Databasebeta

#72257282

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C27 · Schur multiplier (H2) = C220

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C24×D4
commutator, Frattini, cosocleC2×C4C27
socleC22C25×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C22×#532 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

Only the 34377 normal subgroups are shown; non-normal subgroups are omitted.

Full subgroup data →

Presentation

Polycyclic presentation:

2^10|a^2=i,d^2=hj,e^2=ij,h^2=j,b^a=bi,d^a=dij,d^c=dh,e^b=eij,e^c=ej,e^d=ei,f^c=fj,f^d=fj,g^d=gj,h^c=hj

Conjugacy classes & character table

208 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72257344, #72312314, #72313758, …
maximal normal subgroup of#72257344, #72312314, #72313758, …
maximal quotient of#72264603, #72283229, #72306729, …

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