Finite Group Databasebeta

C2×(3−1+2⋊C9)⋊C4 #14516182

order1944
isoclinismisoclinic class of (3−1+2⋊C9)⋊C2
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

direct productC2×(3−1+2⋊C9)⋊C4
unambiguous semidirect product(C2×3−1+2⋊C9)⋊C4

Splittings

derived, Sylow3−1+2⋊C9 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC22(3−1+2⋊C9)⋊C2
commutator, hypocenter3−1+2⋊C9C2×C4
FrattiniC2×C33C2×C3⋊D3
FittingC22×3−1+2⋊C9C2
socleC22×C32#272
prime radicalC22×C33C3⋊D3
cosocleC2×3−1+2⋊C9C22
LCSG ▷ 3−1+2⋊C9
UCSC1 ◁ C22

295 conjugacy classes of subgroups; only the 83 normal subgroups are shown.

normal subgroups only

This group has 295 conjugacy classes of subgroups — too many to draw. Only its 83 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) = 648

Conjugacy classes & character table

120 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 576);