Finite Group Databasebeta

C2×D9×C641 #37528070

order23076
automorphism?
homologyAbelianization (H1) = C22×C641 · Schur multiplier (H2) = C2

Aliases

direct productC2×D9×C641
unambiguous semidirect productC9⋊(C22×C641)
unambiguous semidirect product(C2×C9)⋊(C2×C641)

Splittings

FittingC2×C9×C641 ⋊ C2
derived, SylowC9 ⋊ C22×C641
HallC9×C641 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2×C641D9
commutator, cosocle, hypocenterC9C22×C641
FrattiniC3C2×D3×C641
FittingC2×C9×C641C2
socleC2×C3×C641D3
LCSG ▷ C9
UCSC1 ◁ C2×C641

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 11538

Conjugacy classes & character table

7692 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23076, 11);