Finite Group Databasebeta
Cayley diagram

C2×C9×A4 #6266

order216
isoclinismisoclinic class of A4
automorphismAut(G) = C3×D3×S4 (order 432) · Inn(G) = A4 · Out(G) = C2×C3×D3
homologyAbelianization (H1) = C2×C3×C9 · Schur multiplier (H2) = C2×C3

Aliases

direct productC2×C9×A4

Splittings

FittingC23×C9 ⋊ C3
derivedC22 ⋊ C2×C3×C9
SylowC23 ⋊ C3×C9

Subgroups

subgroupG/H
center, hypercenterC2×C9A4
commutator, hypocenterC22C2×C3×C9
FrattiniC3C2×C3×A4
FittingC23×C9C3
socleC23×C3C32
prime radicalC2×C3×A4C3
cosocleC22×C3C2×C32
LCSG ▷ C22
UCSC1 ◁ C2×C9

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 15
transitive degreeμt(G) = 54

A minimal faithful permutation representation — 2 generators on 15 points:

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

Conjugacy classes & character table

72 conjugacy classes — view the full character table.

Relationships

derived subgroup of#11722241, #11722242, #11722243, …
maximal subgroup ofC9×SL(2,ℤ/4), C9⋊SL(2,ℤ/4), A4×Dic9, …
maximal normal subgroup ofC9×SL(2,ℤ/4), C9⋊SL(2,ℤ/4), A4×Dic9, …
maximal quotient ofC4×C9×A4, C2×C9×SL(2,𝔽3), C9×#41⋊C3, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(216, 103);