Finite Group Databasebeta

C9×#4070 #13084400

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

Aliases

direct productC9×#4070

Splittings

HallC5×C9 ⋊ C22⋊Q8
SylowC5 ⋊ C9×C22⋊Q8

Subgroups

subgroupG/H
centerC22×C9C22×D5
commutatorC22×C5C23×C9
FrattiniC22×C3C22×C3×D5
FittingC22×C4×C5×C9C2
socle, cosocleC22×C3×C5C23×C3
prime radicalC23×C3×C5C22×C3
hypercenterC22×C4×C9D5
hypocenterC5C9×C22⋊Q8
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C22×C9 ◁ C22×C4×C9

222 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 222 conjugacy classes of subgroups — too many to draw. Only its 111 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);(19,21,22,26)(20,23,24,25);(11,12)(13,14)(15,16)(17,18)(19,20,22,24)(21,25,26,23)

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1440, 717);