Finite Group Databasebeta

C9×#4031 #13084355

order1440
automorphism?
homologyAbelianization (H1) = C23×C9 · Schur multiplier (H2) = C2×C4

Aliases

direct productC9×#4031

Splittings

FittingC5×C9×C22⋊C4 ⋊ C2
HallC5×C9 ⋊ #124
SylowC5 ⋊ C9×#124

Subgroups

subgroupG/H
centerC22×C9C22×D5
commutatorC22×C5C23×C9
FrattiniC22×C3C22×C3×D5
FittingC5×C9×C22⋊C4C2
socle, cosocleC22×C3×C5C23×C3
prime radicalC2×C3×C22⋊D5C2×C3
hypercenterC9×C22⋊C4D5
hypocenterC5C9×#124
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C22×C9 ◁ C9×C22⋊C4

228 conjugacy classes of subgroups; only the 93 normal subgroups are shown.

normal subgroups only

This group has 228 conjugacy classes of subgroups — too many to draw. Only its 93 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) = 26
transitive degreeμt(G) = 720

A minimal faithful permutation representation — 3 generators on 26 points:

(1,2,3,4,5,6,7,8,9)(10,11,13,14,12)(16,18)(20,24)(23,26);(15,16,17,18)(19,21,22,25)(20,23,24,26);(11,12)(13,14)(16,18)(19,20)(21,23)(22,24)(25,26)

Conjugacy classes & character table

306 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1440, 672);