Finite Group Databasebeta
Cayley diagram

A4×C23 #63284

order276
isoclinismisoclinic class of A4
automorphismAut(G) = C2×C11×S4 (order 528) · Inn(G) = A4 · Out(G) = C22×C11
homologyAbelianization (H1) = C3×C23 · Schur multiplier (H2) = C2

Aliases

direct productA4×C23
unambiguous semidirect productC22⋊(C3×C23)
unambiguous semidirect product(C22×C23)⋊C3

Splittings

Fitting, socle, HallC22×C23 ⋊ C3
derived, SylowC22 ⋊ C3×C23

Subgroups

subgroupG/H
center, hypercenterC23A4
commutator, cosocle, hypocenterC22C3×C23
FrattiniC1G
Fitting, socleC22×C23C3
LCSG ▷ C22
UCSC1 ◁ C23

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 92

A minimal faithful permutation representation — 2 generators on 27 points:

(2,3,4)(5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27);(1,4)(2,3)

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

Relationships

derived subgroup ofA4⋊D23, A4⋊Dic23, S4×D23, …
maximal subgroup ofC23×S4, A4⋊D23, A4×D23, …
maximal normal subgroup ofC23×S4, A4⋊D23, A4×D23, …
maximal quotient ofC23×SL(2,𝔽3), C2×A4×C23, C23×C22⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(276, 6);