Finite Group Databasebeta
Cayley diagram

C22×(C22⋊C9)⋊C2 #64187

order288
isoclinismisoclinic class of (C22⋊C9)⋊C2
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C24

Aliases

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

Splittings

derivedC22⋊C9 ⋊ C23

Subgroups

subgroupG/H
center, hypercenterC22(C22⋊C9)⋊C2
commutator, cosocle, hypocenterC22⋊C9C23
FrattiniC3C22×S4
Fitting, socleC24×C3D3
LCSG ▷ C22⋊C9
UCSC1 ◁ C22

230 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 36

A minimal faithful permutation representation — 3 generators on 17 points:

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

Conjugacy classes & character table

36 conjugacy classes — view the full character table.

Relationships

maximal subgroup of(C2×(C22⋊C9)⋊C2)⋊C4, C2×C4×(C22⋊C9)⋊C2, C2×C4⋊((C22⋊C9)⋊C2), …
maximal normal subgroup of(C2×(C22⋊C9)⋊C2)⋊C4, C2×C4×(C22⋊C9)⋊C2, C2×C4⋊((C22⋊C9)⋊C2), …
maximal quotient ofC2×(C22⋊C9)⋊Q8, C2×C4×(C22⋊C9)⋊C2, C2×C4⋊((C22⋊C9)⋊C2), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 835);