Finite Group Databasebeta

D7×#6909 #72249100

order3402
automorphism?
homologyAbelianization (H1) = C2×C33 · Schur multiplier (H2) = C33

Aliases

direct productD7×#6909

Splittings

Fitting, HallC7×#6909 ⋊ C2
SylowC7 ⋊ C2×#6909

Subgroups

subgroupG/H
centerC3C3×D7×H(3,𝔽3)
commutator, cosocleC32×C7C2×C33
FrattiniC32C33×D7
FittingC7×#6909C2
socleC3×C7C2×C3×H(3,𝔽3)
hypercenter#6909D7
hypocenterC7C2×#6909
LCSG ▷ C32×C7 ▷ C3×C7 ▷ C7
UCSC1 ◁ C3 ◁ C33 ◁ #6909

296 conjugacy classes of subgroups; only the 99 normal subgroups are shown.

normal subgroups only

This group has 296 conjugacy classes of subgroups — too many to draw. Only its 99 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) = 189

Conjugacy classes & character table

175 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#10624749, AGL(1,𝔽7)×#6909, #72249140, …
maximal normal subgroup ofD7×#10624749, AGL(1,𝔽7)×#6909, #72249140, …

GAP

Past the SmallGroups library coverage — no SmallGroups id.