Finite Group Databasebeta

D9×D781 #43244657

order28116
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD9×D781
unambiguous semidirect product(C11×D9)⋊D71
unambiguous semidirect product(D9×C71)⋊D11

Splittings

Fitting, derived, HallC9×C11×C71 ⋊ C22
HallC11×C71 ⋊ C2×D9
HallC9×C71 ⋊ C2×D11
HallC9×C11 ⋊ C2×D71
SylowC71 ⋊ D9×D11
SylowC11 ⋊ D9×D71
SylowC9 ⋊ C2×D781

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C11×C71C22
FrattiniC3D3×D781
socleC3×C11×C71C2×D3
LCSG ▷ C9×C11×C71
UCSC1

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7029

Conjugacy classes & character table

2352 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28116, 15);