Finite Group Databasebeta

#72287764

order1024
nilpotency class2
automorphism?
homologyAbelianization (H1) = C25×C8 · Schur multiplier (H2) = C213

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC2×C8C26
commutator, socleC22C25×C8
prime radical#412C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C8 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

8980 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 256

Polycyclic presentation:

2^10|d^2=g,f^2=h,g^2=i,i^2=j,b^a=bh,c^b=ch,d^b=dhj,e^a=eh,e^c=ej,e^d=ej,f^d=fj

Conjugacy classes & character table

304 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72287792, #72287813, #72287831, …
maximal normal subgroup of#72287792, #72287813, #72287831, …

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