Finite Group Databasebeta

D9×#688 #13084268

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

Aliases

direct productD9×#688

Splittings

FittingC5×Q8×C9 ⋊ C22
HallC5×C9 ⋊ C2×SD16
SylowC9 ⋊ C2×#688
SylowC5 ⋊ SD16×D9

Subgroups

subgroupG/H
centerC2D9×C22⋊D5
commutator, cosocleC4×C5×C9C23
FrattiniC3×C4C2×D3×D5
FittingC5×Q8×C9C22
socleC2×C3×C5D3×D4
prime radicalD9×D20C2
hypercenterQ8D5×D9
hypocenterC5×C9C2×SD16
LCSG ▷ C4×C5×C9 ▷ C2×C5×C9 ▷ C5×C9
UCSC1 ◁ C2 ◁ C4 ◁ Q8

204 conjugacy classes of subgroups; only the 55 normal subgroups are shown.

normal subgroups only

This group has 204 conjugacy classes of subgroups — too many to draw. Only its 55 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 360

Conjugacy classes & character table

102 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1440, 585);