Finite Group Databasebeta

D9×C9⋊C8 #13046360

order1296
isoclinismisoclinic class of D92
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

direct productD9×C9⋊C8
unambiguous semidirect product(C9×D9)⋊C8

Splittings

derived, SylowC92 ⋊ C2×C8

Subgroups

subgroupG/H
center, hypercenterC4D92
commutator, hypocenterC92C2×C8
FrattiniC32×C4D32
Fitting, cosocleC4×C92C22
socleC2×C32D3×Dic3
prime radicalC2×C3×D9Dic3
LCSG ▷ C92
UCSC1 ◁ C4

127 conjugacy classes of subgroups; only the 47 normal subgroups are shown.

normal subgroups only

This group has 127 conjugacy classes of subgroups — too many to draw. Only its 47 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

144 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1296, 78);