Finite Group Databasebeta

D9×D521 #34037252

order18756
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD9×D521
unambiguous semidirect product(D9×C521)⋊C2
unambiguous semidirect product(C9×D521)⋊C2
unambiguous semidirect productD4689⋊C2

Splittings

Fitting, derived, HallC9×C521 ⋊ C22
SylowC521 ⋊ C2×D9
SylowC9 ⋊ C2×D521

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC9×C521C22
FrattiniC3D3×D521
socleC3×C521C2×D3
LCSG ▷ C9×C521
UCSC1

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4689

Conjugacy classes & character table

1572 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18756, 8);