Finite Group Databasebeta

D9×#806 #13137458

order1728
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

direct productD9×#806

Splittings

FittingC3×C9×C22⋊C4 ⋊ C22
SylowC3×C9 ⋊ C2×#99

Subgroups

subgroupG/H
centerC2D9×(C2×D3)⋊C4
commutatorC22×C3×C9C22×C4
FrattiniC23×C3C2×D32
FittingC3×C9×C22⋊C4C22
socleC2×C32D3×C22⋊C4
prime radicalC2×D9×#67C2
cosocleC23×C3×C9C23
hypercenterC22⋊C4D3×D9
hypocenterC3×C9C2×#99
LCSG ▷ C22×C3×C9 ▷ C2×C3×C9 ▷ C3×C9
UCSC1 ◁ C2 ◁ C23 ◁ C22⋊C4

682 conjugacy classes of subgroups; only the 101 normal subgroups are shown.

normal subgroups only

This group has 682 conjugacy classes of subgroups — too many to draw. Only its 101 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) = 144

Conjugacy classes & character table

126 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 3521);