Finite Group Databasebeta

C9×C9⋊S4 #14517995

order1944
isoclinismisoclinic class of C9⋊S4
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C2×C3

Aliases

direct productC9×C9⋊S4
unambiguous semidirect productA4⋊(C9×D9)

Splittings

FittingC22×C92 ⋊ D3
derivedC9×A4 ⋊ C2×C9

Subgroups

subgroupG/H
center, hypercenterC9C9⋊S4
commutator, hypocenterC9×A4C2×C9
FrattiniC32C3×C3⋊S4
FittingC22×C92D3
socleC22×C32C3×C3⋊D3
prime radicalC3×C9⋊S4C3
cosocleC3×C9×A4C2×C3
LCSG ▷ C9×A4
UCSC1 ◁ C9

250 conjugacy classes of subgroups; only the 42 normal subgroups are shown.

normal subgroups only

This group has 250 conjugacy classes of subgroups — too many to draw. Only its 42 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 72

Conjugacy classes & character table

189 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 2389);