Finite Group Databasebeta

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D9×D665 #37561027

order23940
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

direct productD9×D665
unambiguous semidirect product(C5×D9)⋊D133
unambiguous semidirect product(C7×D9)⋊D95
unambiguous semidirect product(D9×C19)⋊D35

Splittings

Fitting, derived, HallC5×C7×C9×C19 ⋊ C22
HallC7×C9×C19 ⋊ C2×D5
HallC5×C9×C19 ⋊ C2×D7
HallC5×C7×C19 ⋊ C2×D9
HallC5×C7×C9 ⋊ C2×D19
HallC9×C19 ⋊ C2×D35
HallC7×C19 ⋊ D5×D9
HallC5×C19 ⋊ D7×D9
HallC7×C9 ⋊ C2×D95
HallC5×C9 ⋊ C2×D133
HallC5×C7 ⋊ D9×D19
SylowC19 ⋊ D9×D35
SylowC9 ⋊ C2×D665
SylowC7 ⋊ D9×D95
SylowC5 ⋊ D9×D133

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, cosocle, hypocenterC5×C7×C9×C19C22
FrattiniC3D3×D665
socleC3×C5×C7×C19C2×D3
LCSG ▷ C5×C7×C9×C19
UCSC1

120 conjugacy classes of subgroups; only the 37 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 37 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) = 5985

Conjugacy classes & character table

2004 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23940, 159);