Finite Group Databasebeta

C2×D8×AGL(1,𝔽7) #13057488

order1344
automorphism?
homologyAbelianization (H1) = C24×C3 · Schur multiplier (H2) = C26

Aliases

direct productC2×D8×AGL(1,𝔽7)
unambiguous semidirect productD7⋊(C2×C3×D8)
unambiguous semidirect product(C2×D7×D8)⋊C3

Splittings

FittingC2×C7×D8 ⋊ C2×C3
HallC2×D7×D8 ⋊ C3
HallΓL(1,𝔽8) ⋊ C22×D8
SylowC7 ⋊ C22×C3×D8

Subgroups

subgroupG/H
centerC22D4×AGL(1,𝔽7)
commutator, cosocleC4×C7C24×C3
FrattiniC4C23×AGL(1,𝔽7)
FittingC2×C7×D8C2×C3
socleC22×C7C2×C3×D4
hypercenterC2×D8AGL(1,𝔽7)
hypocenterC7C22×C3×D8
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×D8

676 conjugacy classes of subgroups; only the 200 normal subgroups are shown.

normal subgroups only

This group has 676 conjugacy classes of subgroups — too many to draw. Only its 200 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) = 112

Conjugacy classes & character table

98 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD5×D8×AGL(1,𝔽7), C4×D8×AGL(1,𝔽7), C2×AGL(1,ℤ/8)×AGL(1,𝔽7), …
maximal normal subgroup ofC4×D8×AGL(1,𝔽7), C2×AGL(1,ℤ/8)×AGL(1,𝔽7), AGL(1,𝔽7)×#442, …
maximal quotient ofD5×D8×AGL(1,𝔽7), C4×D8×AGL(1,𝔽7), AGL(1,𝔽7)×#509, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 6777);