Finite Group Databasebeta

D7×AGL(1,𝔽7) #10596888

order588
isoclinismisoclinic class of D7×AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

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

Splittings

Fitting, socle, derived, SylowC72 ⋊ C22×C3
HallD72 ⋊ C3
HallC7×ΓL(1,𝔽8) ⋊ C22

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC72C22×C3
LCSG ▷ C72
UCSC1

42 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 42

Conjugacy classes & character table

35 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×D7×AGL(1,𝔽7), AGL(1,𝔽7)2, C3×D7×AGL(1,𝔽7), …
maximal normal subgroup ofC2×D7×AGL(1,𝔽7), AGL(1,𝔽7)2, C3×D7×AGL(1,𝔽7), …
maximal quotient ofD7×ΓL(1,𝔽8)⋊C4, Dic7×AGL(1,𝔽7), (ΓL(1,𝔽8)⋊D7)⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(588, 36);