Finite Group Databasebeta

C9×Dic521 #34037247

order18756
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×Dic521

Splittings

derived, SylowC521 ⋊ C4×C9
HallC9×C521 ⋊ C4

Subgroups

subgroupG/H
center, hypercenterC2×C9D521
commutator, hypocenterC521C4×C9
FrattiniC2×C3C3×D521
FittingC2×C9×C521C2
socle, prime radical, cosocleC2×C3×C521C2×C3
LCSG ▷ C521
UCSC1 ◁ C2×C9

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 18756

Conjugacy classes & character table

4716 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18756, 3);