Finite Group Databasebeta
Cayley diagram

C2×C4×C22⋊C9 #63695

order288
isoclinismisoclinic class of A4
automorphismAut(G) = C3×D4×S4 (order 576) · Inn(G) = A4 · Out(G) = C2×C3×D4
homologyAbelianization (H1) = C2×C4×C9 · Schur multiplier (H2) = C22

Aliases

direct productC2×C4×C22⋊C9
unambiguous semidirect product(C23×C4)⋊C9

Splittings

derivedC22 ⋊ C2×C4×C9
SylowC23×C4 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC2×C3×C4A4
commutator, hypocenterC22C2×C4×C9
FrattiniC2×C3C22×A4
FittingC23×C3×C4C3
socle, prime radicalC24×C3C2×C3
cosocleC23×C3C22×C3
LCSG ▷ C22
UCSC1 ◁ C2×C3×C4

116 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 72

A minimal faithful permutation representation — 2 generators on 19 points:

(4,5,6)(7,8,9,10)(11,18,17,13,12,19,16,15,14);(1,2)(3,6)(4,5)

Conjugacy classes & character table

96 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×(C22⋊C9)⋊C8, #10589511, C4×(C22⋊C9)⋊C4, …
maximal normal subgroup ofC2×(C22⋊C9)⋊C8, #10589511, C4×(C22⋊C9)⋊C4, …
maximal quotient ofC42×C22⋊C9, C22⋊C4×C22⋊C9, C4⋊C4×C22⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 343);