Finite Group Databasebeta

C2×D4×AGL(1,𝔽7) #10621511

order672
automorphism?
homologyAbelianization (H1) = C24×C3 · Schur multiplier (H2) = C26

Aliases

direct productC2×D4×AGL(1,𝔽7)
unambiguous semidirect productD7⋊(C2×C3×D4)
unambiguous semidirect product(C2×D4×D7)⋊C3

Splittings

FittingC2×C7×D4 ⋊ C2×C3
HallC2×D4×D7 ⋊ C3
HallΓL(1,𝔽8) ⋊ C22×D4
SylowC7 ⋊ C22×C3×D4

Subgroups

subgroupG/H
centerC22C22×AGL(1,𝔽7)
commutator, cosocleC2×C7C24×C3
FrattiniC2C23×AGL(1,𝔽7)
FittingC2×C7×D4C2×C3
socleC22×C7C23×C3
hypercenterC2×D4AGL(1,𝔽7)
hypocenterC7C22×C3×D4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ C2×D4

472 conjugacy classes of subgroups; only the 175 normal subgroups are shown.

normal subgroups only

This group has 472 conjugacy classes of subgroups — too many to draw. Only its 175 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) = 56

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#99×AGL(1,𝔽7), #100×AGL(1,𝔽7), #102×AGL(1,𝔽7), …
maximal normal subgroup of#99×AGL(1,𝔽7), #100×AGL(1,𝔽7), #102×AGL(1,𝔽7), …
maximal quotient ofC2×#6441⋊C3, C2×#6448⋊C3, C2×C22⋊C4×AGL(1,𝔽7), …
automorphism group of#1132, C2×C7⋊C8, #1136, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(672, 1093);