Finite Group Databasebeta

D9×C19×D11 #21418977

order7524
automorphism?
homologyAbelianization (H1) = C22×C19 · Schur multiplier (H2) = C2

Aliases

direct productD9×C19×D11
unambiguous semidirect product(C11×D9)⋊(C2×C19)
unambiguous semidirect product(C9×D11)⋊(C2×C19)
unambiguous semidirect productD99⋊(C2×C19)

Splittings

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

Subgroups

subgroupG/H
center, hypercenterC19D9×D11
commutator, hypocenterC9×C11C22×C19
FrattiniC3D3×C19×D11
FittingC9×C11×C19C22
socleC3×C11×C19C2×D3
LCSG ▷ C9×C11
UCSC1 ◁ C19

60 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

798 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×C19×AGL(1,𝔽11), C5×D9×C19×D11, C19×D11×D45, …
maximal normal subgroup ofD9×C19×AGL(1,𝔽11), C5×D9×C19×D11
maximal quotient ofC5×D9×C19×D11, C19×D11×D45, D9×C19×D55, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7524, 21);