Finite Group Databasebeta

C2×D9×C509 #32913242

order18324
automorphism?
homologyAbelianization (H1) = C22×C509 · Schur multiplier (H2) = C2

Aliases

direct productC2×D9×C509
unambiguous semidirect productC9⋊(C22×C509)
unambiguous semidirect product(C2×C9)⋊(C2×C509)

Splittings

FittingC2×C9×C509 ⋊ C2
derived, SylowC9 ⋊ C22×C509
HallC9×C509 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2×C509D9
commutator, cosocle, hypocenterC9C22×C509
FrattiniC3C2×D3×C509
FittingC2×C9×C509C2
socleC2×C3×C509D3
LCSG ▷ C9
UCSC1 ◁ C2×C509

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9162

Conjugacy classes & character table

6108 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18324, 11);