Finite Group Databasebeta

C7×D33⋊AGL(1,𝔽7) #34084863

order19404
automorphism?
homologyAbelianization (H1) = C22×C3×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×D33⋊AGL(1,𝔽7)
unambiguous semidirect productD33⋊(C7×AGL(1,𝔽7))
unambiguous semidirect product(C3⋊AGL(1,𝔽7))⋊(C7×D11)
unambiguous semidirect product(C11⋊AGL(1,𝔽7))⋊(D3×C7)
unambiguous semidirect product(D21⋊D11)⋊(C3×C7)

Splittings

Fitting, socleC3×C72×C11 ⋊ C22×C3
derivedC3×C7×C11 ⋊ C22×C3×C7
HallC3×C7×C11×ΓL(1,𝔽8) ⋊ C22
HallC72×C11 ⋊ C2×C3×D3
HallC3×C7×ΓL(1,𝔽8) ⋊ C2×D11
SylowC72 ⋊ C3×D3×D11
SylowC11 ⋊ D3×C7×AGL(1,𝔽7)

Subgroups

subgroupG/H
center, hypercenterC7D33⋊AGL(1,𝔽7)
commutator, cosocle, hypocenterC3×C7×C11C22×C3×C7
FrattiniC1G
Fitting, socleC3×C72×C11C22×C3
LCSG ▷ C3×C7×C11
UCSC1 ◁ C7

184 conjugacy classes of subgroups; only the 50 normal subgroups are shown.

normal subgroups only

This group has 184 conjugacy classes of subgroups — too many to draw. Only its 50 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) = 1386

Conjugacy classes & character table

567 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19404, 354);