Finite Group Databasebeta

C4⋊C8×AGL(1,𝔽7) #13051735

order1344
automorphism?
homologyAbelianization (H1) = C22×C3×C8 · Schur multiplier (H2) = C23

Aliases

direct productC4⋊C8×AGL(1,𝔽7)
unambiguous semidirect productD7⋊(C3×C4⋊C8)
unambiguous semidirect product(D7×C4⋊C8)⋊C3

Splittings

FittingC7×C4⋊C8 ⋊ C2×C3
HallD7×C4⋊C8 ⋊ C3
HallΓL(1,𝔽8) ⋊ C2×C4⋊C8
SylowC7 ⋊ C2×C3×C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C22×AGL(1,𝔽7)
commutatorC2×C7C22×C3×C8
FittingC7×C4⋊C8C2×C3
socleC22×C7C22×C3×C4
prime radicalC22×AGL(1,𝔽7)C2×C4
cosocleC2×C4×C7C23×C3
hypercenterC4⋊C8AGL(1,𝔽7)
hypocenterC7C2×C3×C4⋊C8
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C4 ◁ C4⋊C8

276 conjugacy classes of subgroups; only the 130 normal subgroups are shown.

normal subgroups only

This group has 276 conjugacy classes of subgroups — too many to draw. Only its 130 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) = 224

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽7)×#334
maximal normal subgroup ofAGL(1,𝔽7)×#334
maximal quotient ofAGL(1,𝔽7)×#334

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 1024);