Finite Group Databasebeta

D9×D491 #31799031

order17676
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD9×D491
unambiguous semidirect product(D9×C491)⋊C2
unambiguous semidirect product(C9×D491)⋊C2
unambiguous semidirect productD4419⋊C2

Splittings

Fitting, derived, HallC9×C491 ⋊ C22
SylowC491 ⋊ C2×D9
SylowC9 ⋊ C2×D491

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C491C22
FrattiniC3D3×D491
socleC3×C491C2×D3
LCSG ▷ C9×C491
UCSC1

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4419

Conjugacy classes & character table

1482 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17676, 6);