Finite Group Databasebeta
Cayley diagram

C2×C9×AGL(1,𝔽5) #67113

order360
isoclinismisoclinic class of AGL(1,𝔽5)
automorphismAut(G) = C22×C3×AGL(1,𝔽5) (order 240) · Inn(G) = AGL(1,𝔽5) · Out(G) = C22×C3
homologyAbelianization (H1) = C2×C4×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×C9×AGL(1,𝔽5)
unambiguous semidirect productD5⋊(C4×C9)

Splittings

FittingC2×C5×C9 ⋊ C4
derived, SylowC5 ⋊ C2×C4×C9
HallC5×C9 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC2×C9AGL(1,𝔽5)
commutator, hypocenterC5C2×C4×C9
FrattiniC3C2×C3×AGL(1,𝔽5)
FittingC2×C5×C9C4
socleC2×C3×C5C3×C4
prime radicalC2×C3×D5C2×C3
cosocleC3×D5C22×C3
LCSG ▷ C5
UCSC1 ◁ C2×C9

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 90

A minimal faithful permutation representation — 2 generators on 16 points:

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

Conjugacy classes & character table

90 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×Dic9, Dic9⋊AGL(1,𝔽5), (C2×D9)⋊AGL(1,𝔽5), …
maximal normal subgroup ofAGL(1,𝔽5)×Dic9, Dic9⋊AGL(1,𝔽5), (C2×D9)⋊AGL(1,𝔽5), …
maximal quotient ofC9×D5⋊C8, C9×#700, C4×C9×AGL(1,𝔽5), …
automorphism group ofD5×C19, D5×C27, C19×AGL(1,𝔽5)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(360, 43);