Finite Group Databasebeta

C2×C9⋊#997 #13164873

order1728
automorphism?
homologyAbelianization (H1) = C2×C32 · Schur multiplier (H2) = C23

Aliases

direct productC2×C9⋊#997
unambiguous semidirect product(C2×C9)⋊#997

Splittings

FittingC2×C9×H(5,𝔽2) ⋊ C3
SylowC2×H(5,𝔽2) ⋊ 3−1+2

Subgroups

subgroupG/H
center, socleC22×C3C3×C22⋊A4
commutator, cosocleC3×H(5,𝔽2)C2×C32
FrattiniC2×C3C2×C3×C22⋊A4
FittingC2×C9×H(5,𝔽2)C3
prime radicalC2×C3×#997C3
hypercenterC22×C9C22⋊A4
hypocenterH(5,𝔽2)C2×3−1+2
LCSG ▷ C3×H(5,𝔽2) ▷ H(5,𝔽2)
UCSC1 ◁ C22×C3 ◁ C22×C9

631 conjugacy classes of subgroups; only the 59 normal subgroups are shown.

normal subgroups only

This group has 631 conjugacy classes of subgroups — too many to draw. Only its 59 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

134 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×3−1+2×#997, C2×D9⋊#997
maximal normal subgroup ofC2×3−1+2×#997, C2×D9⋊#997

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 30936);