Finite Group Databasebeta
Cayley diagram

C22×C5×D9 #67118

order360
isoclinismisoclinic class of D9
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC22×C5×D9
unambiguous semidirect productC9⋊(C23×C5)
unambiguous semidirect product(C2×C9)⋊(C22×C5)

Splittings

FittingC22×C5×C9 ⋊ C2
derived, SylowC9 ⋊ C23×C5
HallC5×C9 ⋊ C23

Subgroups

subgroupG/H
center, hypercenterC22×C5D9
commutator, cosocle, hypocenterC9C23×C5
FrattiniC3C22×C5×D3
FittingC22×C5×C9C2
socleC22×C3×C5D3
LCSG ▷ C9
UCSC1 ◁ C22×C5

96 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 180

A minimal faithful permutation representation — 3 generators on 18 points:

(1,2)(3,4)(5,6,7,8,9)(11,13)(12,16)(14,17)(15,18);(3,4)(10,15,13,12,17,14,16,11,18);(1,2)

Conjugacy classes & character table

120 conjugacy classes — view the full character table.

Relationships

maximal subgroup of(C2×D9)⋊Dic5, C5×(C2×D9)⋊C4, C2×D9×Dic5, …
maximal normal subgroup of(C2×D9)⋊Dic5, C5×(C2×D9)⋊C4, C2×D9×Dic5, …
maximal quotient ofC2×C5×Dic18, C2×C4×C5×D9, C2×C5×D36, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(360, 48);