Finite Group Databasebeta
Cayley diagram

C2×#41⋊C9 #63699

order288
isoclinismisoclinic class of SL(2,𝔽3)
automorphismAut(G) = C3×D4×S4 (order 576) · Inn(G) = A4 · Out(G) = C2×C3×D4
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×#41⋊C9
unambiguous semidirect product(C2×#41)⋊C9

Splittings

SylowC2×#41 ⋊ C9

Subgroups

subgroupG/H
center, hypercenterC2×C3×C4A4
commutator, hypocenterQ8C22×C9
FrattiniC2×C3C22×A4
Fitting, prime radicalC2×C3×#41C3
socleC22×C3C2×A4
cosocleC3×Q8C22×C3
LCSG ▷ Q8
UCSC1 ◁ C2×C3×C4

85 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 27
transitive degreeμt(G) = 144

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

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

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#63422, #10589525, #10589526, …
maximal normal subgroup ofC2×#63422, #10589525, #10589526, …
maximal quotient ofC2×C4×Q8⋊C9, C4×#41⋊C9, #548⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 347);