Finite Group Databasebeta

D7×D9⋊C9 #72230052

order2268
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

direct productD7×D9⋊C9

Splittings

Fitting, HallC7×C9⋊C9 ⋊ C22
derivedC7×C9 ⋊ C22×C9
SylowC9⋊C9 ⋊ C2×D7
SylowC7 ⋊ C2×D9⋊C9

Subgroups

subgroupG/H
center, hypercenterC3D7×AGL(1,ℤ/9)
commutator, hypocenterC7×C9C22×C9
FrattiniC32C3×D3×D7
FittingC7×C9⋊C9C22
socleC32×C7C2×C3×D3
prime radicalC3×D7×D9C3
cosocleC3×C7×C9C22×C3
LCSG ▷ C7×C9
UCSC1 ◁ C3

106 conjugacy classes of subgroups; only the 36 normal subgroups are shown.

normal subgroups only

This group has 106 conjugacy classes of subgroups — too many to draw. Only its 36 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) = 126

Conjugacy classes & character table

150 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#92265, AGL(1,𝔽7)×D9⋊C9, #72230106, …
maximal normal subgroup ofD7×#92265, AGL(1,𝔽7)×D9⋊C9, #72230106, …
maximal quotient ofD7×AGL(1,ℤ/27)

GAP

Past the SmallGroups library coverage — no SmallGroups id.