Finite Group Databasebeta

C2×C42×AGL(1,𝔽7) #13057205

order1344
isoclinismisoclinic class of AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C22×C3×C42 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×C42×AGL(1,𝔽7)
unambiguous semidirect productD7⋊(C2×C3×C42)

Splittings

FittingC2×C42×C7 ⋊ C2×C3
derived, SylowC7 ⋊ C22×C3×C42
HallC2×C42×D7 ⋊ C3
HallΓL(1,𝔽8) ⋊ C22×C42

Subgroups

subgroupG/H
center, hypercenterC2×C42AGL(1,𝔽7)
commutator, hypocenterC7C22×C3×C42
FrattiniC22C23×AGL(1,𝔽7)
FittingC2×C42×C7C2×C3
socleC23×C7C23×C3
prime radicalC23×AGL(1,𝔽7)C22
cosocleC22×C7C24×C3
LCSG ▷ C7
UCSC1 ◁ C2×C42

996 conjugacy classes of subgroups; only the 552 normal subgroups are shown.

normal subgroups only

This group has 996 conjugacy classes of subgroups — too many to draw. Only its 552 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

224 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×C4×AGL(1,𝔽5)×AGL(1,𝔽7), C2×C4×D4×AGL(1,𝔽7), C4×M16×AGL(1,𝔽7), …
maximal normal subgroup ofC2×C4×D4×AGL(1,𝔽7), C4×M16×AGL(1,𝔽7), C4×C22⋊C4×AGL(1,𝔽7), …
maximal quotient ofC2×C4×AGL(1,𝔽5)×AGL(1,𝔽7), C4×M16×AGL(1,𝔽7), C4×C22⋊C4×AGL(1,𝔽7), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 6494);