Finite Group Databasebeta

C2×D7×AGL(1,𝔽7) #11924313

order1176
isoclinismisoclinic class of D7×AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C23×C3 · Schur multiplier (H2) = C23

Aliases

direct productC2×D7×AGL(1,𝔽7)
unambiguous semidirect productD7⋊(C2×C3×D7)
unambiguous semidirect product(C7×AGL(1,𝔽7))⋊C22
unambiguous semidirect product(D7×ΓL(1,𝔽8))⋊C22
unambiguous semidirect product(ΓL(1,𝔽8)⋊D7)⋊C22

Splittings

Fitting, socleC2×C72 ⋊ C22×C3
derived, SylowC72 ⋊ C23×C3
HallC2×D72 ⋊ C3
HallC7×ΓL(1,𝔽8) ⋊ C23

Subgroups

subgroupG/H
center, hypercenterC2D7×AGL(1,𝔽7)
commutator, cosocle, hypocenterC72C23×C3
FrattiniC1G
Fitting, socleC2×C72C22×C3
LCSG ▷ C72
UCSC1 ◁ C2

133 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 84

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×AGL(1,𝔽7)2, #72222021, D3×D7×AGL(1,𝔽7), …
maximal normal subgroup ofC2×AGL(1,𝔽7)2, #72222021, #72245001, …
maximal quotient of#72222021, D3×D7×AGL(1,𝔽7), C2×(ΓL(1,𝔽8)⋊D7)⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1176, 228);