Finite Group Databasebeta
Cayley diagram

C4⋊AGL(1,𝔽9) #64216

order288
isoclinismisoclinic class of #64214
automorphismAut(G) = D4×AΓL(1,𝔽9) (order 1152) · Inn(G) = C2×AGL(1,𝔽9) · Out(G) = C23
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC4⋊AGL(1,𝔽9)

Splittings

FittingC32×C4 ⋊ C8
SylowC32 ⋊ C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2C2×AGL(1,𝔽9)
commutator, socleC2×C32C2×C8
FittingC32×C4C8
prime radicalC2×C3⋊D3C2×C4
cosocleC2×#157C22
hypercenterC4AGL(1,𝔽9)
hypocenterC32C4⋊C8
LCSG ▷ C2×C32 ▷ C32
UCSC1 ◁ C2 ◁ C4

46 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 36

A minimal faithful permutation representation — 2 generators on 13 points:

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

Polycyclic presentation:

2^5,3^2|a^2=c,b^2=d,c^2=e,b^a=bd,f^a=g,g^a=fg^2,f^c=fg^2,g^c=f^2g^2,f^e=f^2,g^e=g^2

Conjugacy classes & character table

24 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10593155, #10593156, #10593157, …
maximal normal subgroup of#10593155, #10593156, #10593157, …
maximal quotient of#10593252, #10593253, #10593256, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 864);