Finite Group Databasebeta
Cayley diagram

C4⋊((C22⋊C9)⋊C2) #63686

order288
automorphismAut(G) = D4×((C22⋊C9)⋊C2)⋊C3 (order 1728) · Inn(G) = C2×(C22⋊C9)⋊C2 · Out(G) = C22×C3
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC4⋊((C22⋊C9)⋊C2)

Subgroups

subgroupG/H
centerC2C2×(C22⋊C9)⋊C2
commutator, cosocleC2×C22⋊C9C22
FrattiniC2×C3C2×S4
FittingC22×C3×C4D3
socleC23×C3C2×D3
hypercenterC4(C22⋊C9)⋊C2
hypocenterC22⋊C9D4
LCSG ▷ C2×C22⋊C9 ▷ C22⋊C9
UCSC1 ◁ C2 ◁ C4

96 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 2 generators on 17 points:

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

Polycyclic presentation:

2^3,3^2,2^2|b^2=c,d^3=e^2,b^a=bc,d^a=d^2e,e^a=e^2,f^a=g,g^a=f,f^d=g,g^d=fg

Conjugacy classes & character table

30 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10589503, #10589504, #10589517, …
maximal normal subgroup of#10589503, #10589504, #10589517, …
maximal quotient ofC4⋊#3688, C4⋊#3689, #10589497, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 334);