Finite Group Databasebeta

C3×C7×AGL(1,𝔽7) #11725094

order882
isoclinismisoclinic class of AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C2×C32×C7 · Schur multiplier (H2) = C3

Aliases

direct productC3×C7×AGL(1,𝔽7)
unambiguous semidirect productD7⋊(C32×C7)
unambiguous semidirect productΓL(1,𝔽8)⋊(C2×C3×C7)
unambiguous semidirect product(C3×D7)⋊(C3×C7)

Splittings

Fitting, socleC3×C72 ⋊ C2×C3
derivedC7 ⋊ C2×C32×C7
HallC3×C7×ΓL(1,𝔽8) ⋊ C2
HallC7×D7 ⋊ C32
SylowC72 ⋊ C2×C32

Subgroups

subgroupG/H
center, hypercenterC3×C7AGL(1,𝔽7)
commutator, cosocle, hypocenterC7C2×C32×C7
FrattiniC1G
Fitting, socleC3×C72C2×C3
LCSG ▷ C7
UCSC1 ◁ C3×C7

50 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 126

Conjugacy classes & character table

147 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3×D7×AGL(1,𝔽7), D3×C7×AGL(1,𝔽7), AGL(1,𝔽7)×D21, …
maximal normal subgroup ofC3×D7×AGL(1,𝔽7), D3×C7×AGL(1,𝔽7), AGL(1,𝔽7)×D21, …
maximal quotient ofC3×C7×ΓL(1,𝔽8)⋊C4, C2×C3×C7×AGL(1,𝔽7), C3×C5×C7×AGL(1,𝔽7), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(882, 40);