Finite Group Databasebeta

#72281475

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C28 · Schur multiplier (H2) = C227

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2×C4C27
commutator, Frattini, cosocleC22C28
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ G
LECSG ▷ C22 ▷ C1

816393 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 64

Polycyclic presentation:

2^10|a^2=j,c^2=ij,f^2=j,c^a=ci,c^b=cij,e^a=ej,e^c=ej,f^b=fj,f^c=fj,f^d=fj,g^a=gj,g^b=gj,g^d=gj,h^a=hj

Conjugacy classes & character table

328 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72281524, #72281539, #72303376, …
maximal normal subgroup of#72281524, #72281539, #72303376, …

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