Finite Group Databasebeta

C22⋊C9×AGL(1,ℤ/9) #14518200

order1944
isoclinismisoclinic class of A4×AGL(1,ℤ/9)
automorphism?
homologyAbelianization (H1) = C2×C3×C9 · Schur multiplier (H2) = C2×C3

Aliases

direct productC22⋊C9×AGL(1,ℤ/9)
unambiguous semidirect product(C22×AGL(1,ℤ/9))⋊C9

Splittings

derivedC22×C9 ⋊ C2×C3×C9

Subgroups

subgroupG/H
center, hypercenterC3A4×AGL(1,ℤ/9)
commutator, hypocenterC22×C9C2×C3×C9
FrattiniC32C3×D3×A4
FittingC22×C3×3−1+2C2×C3
socleC22×C32C32×D3
prime radicalC22×C3×AGL(1,ℤ/9)C3
cosocleC22×C3×C9C2×C32
LCSG ▷ C22×C9
UCSC1 ◁ C3

246 conjugacy classes of subgroups; only the 53 normal subgroups are shown.

normal subgroups only

This group has 246 conjugacy classes of subgroups — too many to draw. Only its 53 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) = 108

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, 2594);