Finite Group Databasebeta

C3×C3⋊(D7⋊C9) #11765738

order1134
isoclinismisoclinic class of C3⋊AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C2×C3×C9 · Schur multiplier (H2) = C3

Aliases

direct productC3×C3⋊(D7⋊C9)
unambiguous semidirect productC3⋊(C3×D7⋊C9)
unambiguous semidirect product(C3×D21)⋊C9

Splittings

derivedC3×C7 ⋊ C2×C3×C9
HallC32×C7⋊C9 ⋊ C2
SylowC7 ⋊ C3×D3×C9

Subgroups

subgroupG/H
center, hypercenterC32C3⋊AGL(1,𝔽7)
commutator, hypocenterC3×C7C2×C3×C9
FrattiniC3C3×C3⋊AGL(1,𝔽7)
Fitting, socleC33×C7C2×C3
prime radicalC32×D21C3
cosocleC32×C7C2×C32
LCSG ▷ C3×C7
UCSC1 ◁ C32

110 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 378

Conjugacy classes & character table

108 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1134, 168);