Finite Group Databasebeta

D4×D9⋊C9 #13047341

order1296
automorphism?
homologyAbelianization (H1) = C23×C9 · Schur multiplier (H2) = C23

Aliases

direct productD4×D9⋊C9
unambiguous semidirect productD9⋊(D4×C9)
unambiguous semidirect product(D4×D9)⋊C9

Splittings

FittingD4×C9⋊C9 ⋊ C2
SylowC9⋊C9 ⋊ C2×D4

Subgroups

subgroupG/H
centerC2×C3C22×AGL(1,ℤ/9)
commutatorC2×C9C23×C9
Frattini, socleC2×C32C22×C3×D3
FittingD4×C9⋊C9C2
prime radicalC3×D4×D9C3
cosocleC2×C3×C9C23×C3
hypercenterC3×D4AGL(1,ℤ/9)
hypocenterC9C2×D4×C9
LCSG ▷ C2×C9 ▷ C9
UCSC1 ◁ C2×C3 ◁ C3×D4

275 conjugacy classes of subgroups; only the 87 normal subgroups are shown.

normal subgroups only

This group has 275 conjugacy classes of subgroups — too many to draw. Only its 87 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) = 72

Conjugacy classes & character table

150 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD4×#92265, #72219942, D4×AGL(1,ℤ/27), …
maximal normal subgroup ofD4×#92265, #72219942, C2×D4×D9⋊C9
maximal quotient of#72220016, D4×AGL(1,ℤ/27), C2×D4×D9⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1296, 1059);