Finite Group Databasebeta

#72316536

order1024
nilpotency class3
automorphism?
homologyAbelianization (H1) = C26×C4 · Schur multiplier (H2) = C221

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4C25×D4
commutatorC4C26×C4
Frattini, cosocleC2×C4C27
socleC2C25×C22⋊C4
prime radicalC2×#63103C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C22×#585 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

Only the 81987 normal subgroups are shown; non-normal subgroups are omitted.

Full subgroup data →

Presentation

Polycyclic presentation:

2^10|a^2=j,c^2=i,d^2=i,g^2=j,h^2=j,b^a=bj,c^b=cj,d^a=dj,d^c=dj,e^a=ej,e^b=ej,e^c=eh,e^d=eh,f^d=fj,f^e=fj,g^c=gj,g^d=gj,g^e=gj,h^e=hj,i^e=ij

Conjugacy classes & character table

322 conjugacy classes — view the full character table.

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