Finite Group Databasebeta

C9×#4060 #13084390

order1440
automorphism?
homologyAbelianization (H1) = C23×C9 · Schur multiplier (H2) = C22

Aliases

direct productC9×#4060

Splittings

FittingC5×C9×SD16 ⋊ C2
HallC5×C9 ⋊ AGL(1,ℤ/8)
SylowC5 ⋊ C9×AGL(1,ℤ/8)

Subgroups

subgroupG/H
centerC2×C9D4×D5
commutatorC4×C5C23×C9
FrattiniC3×C4C22×C3×D5
FittingC5×C9×SD16C2
socleC2×C3×C5C2×C3×D4
prime radicalC3×#4060C3
cosocleC3×C4×C5C23×C3
hypercenterC9×SD16D5
hypocenterC5C9×AGL(1,ℤ/8)
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C9 ◁ C4×C9 ◁ C9×SD16

204 conjugacy classes of subgroups; only the 81 normal subgroups are shown.

normal subgroups only

This group has 204 conjugacy classes of subgroups — too many to draw. Only its 81 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 360

A minimal faithful permutation representation — 3 generators on 22 points:

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

Conjugacy classes & character table

225 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1440, 707);