Finite Group Databasebeta

C2×Dic9⋊C27 #14516068

order1944
isoclinismisoclinic class of AGL(1,ℤ/9)
automorphism?
homologyAbelianization (H1) = C2×C4×C27 · Schur multiplier (H2) = C2

Aliases

direct productC2×Dic9⋊C27
unambiguous semidirect product(C2×Dic9)⋊C27
unambiguous semidirect product(C2×C9⋊C27)⋊C4

Splittings

derivedC9 ⋊ C2×C4×C27
SylowC9⋊C27 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC22×C9AGL(1,ℤ/9)
commutator, hypocenterC9C2×C4×C27
FrattiniC2×C3×C9C2×C3×D3
FittingC22×C9⋊C27C2
socle, prime radicalC22×C32D3×C9
cosocleC2×C92C22×C3
LCSG ▷ C9
UCSC1 ◁ C22×C9

131 conjugacy classes of subgroups; only the 67 normal subgroups are shown.

normal subgroups only

This group has 131 conjugacy classes of subgroups — too many to draw. Only its 67 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) = 216

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 462);