Finite Group Databasebeta

D9×D209 #21418979

order7524
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD9×D209
unambiguous semidirect product(C11×D9)⋊D19
unambiguous semidirect product(D9×C19)⋊D11

Splittings

Fitting, derived, HallC9×C11×C19 ⋊ C22
HallC11×C19 ⋊ C2×D9
HallC9×C19 ⋊ C2×D11
HallC9×C11 ⋊ C2×D19
SylowC19 ⋊ D9×D11
SylowC11 ⋊ D9×D19
SylowC9 ⋊ C2×D209

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC9×C11×C19C22
FrattiniC3D3×D209
socleC3×C11×C19C2×D3
LCSG ▷ C9×C11×C19
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

636 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×C19⋊AGL(1,𝔽11), C5×D9×D209, D45×D209, …
maximal normal subgroup ofD9×C19⋊AGL(1,𝔽11), C5×D9×D209
maximal quotient ofC5×D9×D209, D45×D209, D9×D1045, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7524, 23);