Finite Group Databasebeta

AGL(1,𝔽7)×D31⋊C3 #21462965

order7812
automorphism?
homologyAbelianization (H1) = C22×C32 · Schur multiplier (H2) = C2×C3

Aliases

direct productAGL(1,𝔽7)×D31⋊C3
unambiguous semidirect product(#13049954⋊C2)⋊C3
unambiguous semidirect product(#13049955⋊C2)⋊C3
unambiguous semidirect product(AGL(1,𝔽7)×D31)⋊C3
unambiguous semidirect product(D7×D31⋊C3)⋊C3
unambiguous semidirect product(ΓL(1,𝔽8)⋊(D31⋊C3))⋊C2
unambiguous semidirect product(AGL(1,𝔽7)×C31⋊C3)⋊C2
unambiguous semidirect product(ΓL(1,𝔽8)×D31⋊C3)⋊C2

Splittings

Fitting, socle, derived, HallC7×C31 ⋊ C22×C32
HallΓL(1,𝔽8)×C31⋊C3 ⋊ C22
HallD7×D31 ⋊ C32
SylowC31 ⋊ C2×C3×AGL(1,𝔽7)
SylowC7 ⋊ C2×C3×D31⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC7×C31C22×C32
LCSG ▷ C7×C31
UCSC1

120 conjugacy classes of subgroups; only the 39 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 39 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Conjugacy classes & character table

77 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(7812, 114);