Finite Group Databasebeta

3−1+2×AGL(1,𝔽7) #11765713

order1134
automorphism?
homologyAbelianization (H1) = C2×C33 · Schur multiplier (H2) = C32

Aliases

direct product3−1+2×AGL(1,𝔽7)
unambiguous semidirect productΓL(1,𝔽8)⋊(C2×3−1+2)

Splittings

FittingC7×3−1+2 ⋊ C2×C3
HallΓL(1,𝔽8)×3−1+2 ⋊ C2
HallD7 ⋊ C3×3−1+2
SylowC7 ⋊ C2×C3×3−1+2

Subgroups

subgroupG/H
center, FrattiniC3C32×AGL(1,𝔽7)
commutator, socle, cosocleC3×C7C2×C33
FittingC7×3−1+2C2×C3
prime radicalC32×AGL(1,𝔽7)C3
hypercenter3−1+2AGL(1,𝔽7)
hypocenterC7C2×C3×3−1+2
LCSG ▷ C3×C7 ▷ C7
UCSC1 ◁ C3 ◁ 3−1+2

152 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 63

Conjugacy classes & character table

77 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽7)×AGL(1,ℤ/9), #72224657, #72229769, …
maximal normal subgroup ofAGL(1,𝔽7)×AGL(1,ℤ/9), C2×3−1+2×AGL(1,𝔽7), C3×3−1+2×AGL(1,𝔽7), …
maximal quotient of#72224657, #72229769, C2×3−1+2×AGL(1,𝔽7), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1134, 143);