Finite Group Databasebeta

D9×Dic27 #14515760

order1944
isoclinismisoclinic class of D9×D27
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

direct productD9×Dic27
unambiguous semidirect product(D9×C27)⋊C4

Splittings

derived, SylowC9×C27 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC2D9×D27
commutator, hypocenterC9×C27C2×C4
FrattiniC2×C3×C9D32
Fitting, cosocleC2×C9×C27C22
socleC2×C32D3×D9
prime radicalC2×C3×D9D9
LCSG ▷ C9×C27
UCSC1 ◁ C2

132 conjugacy classes of subgroups; only the 41 normal subgroups are shown.

normal subgroups only

This group has 132 conjugacy classes of subgroups — too many to draw. Only its 41 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

180 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 154);