Finite Group Databasebeta

AGL(1,𝔽5)×AGL(1,𝔽7) #11719837

order840
isoclinismisoclinic class of AGL(1,𝔽5)×AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C2×C3×C4 · Schur multiplier (H2) = C2

Aliases

direct productAGL(1,𝔽5)×AGL(1,𝔽7)
unambiguous semidirect productD7⋊(C3×AGL(1,𝔽5))
unambiguous semidirect product(D7×AGL(1,𝔽5))⋊C3
unambiguous semidirect product(AGL(1,𝔽5)×ΓL(1,𝔽8))⋊C2
unambiguous semidirect product(ΓL(1,𝔽8)⋊AGL(1,𝔽5))⋊C2

Splittings

Fitting, socle, derived, HallC5×C7 ⋊ C2×C3×C4
HallD7×AGL(1,𝔽5) ⋊ C3
HallC5×ΓL(1,𝔽8) ⋊ C2×C4
HallΓL(1,𝔽8) ⋊ C2×AGL(1,𝔽5)
SylowC7 ⋊ C2×C3×AGL(1,𝔽5)
SylowC5 ⋊ C4×AGL(1,𝔽7)

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC5×C7C2×C3×C4
prime radicalD5×AGL(1,𝔽7)C2
cosocleC7×D5C22×C3
LCSG ▷ C5×C7
UCSC1

64 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 35

Conjugacy classes & character table

35 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×AGL(1,𝔽5)×AGL(1,𝔽7), C3×AGL(1,𝔽5)×AGL(1,𝔽7), AGL(1,𝔽5)×C3⋊AGL(1,𝔽7), …
maximal normal subgroup ofC2×AGL(1,𝔽5)×AGL(1,𝔽7), C3×AGL(1,𝔽5)×AGL(1,𝔽7), C5×AGL(1,𝔽5)×AGL(1,𝔽7), …
maximal quotient ofAGL(1,𝔽5)×ΓL(1,𝔽8)⋊C4, (C2×AGL(1,𝔽5))⋊AGL(1,𝔽7), (ΓL(1,𝔽8)⋊C4)⋊AGL(1,𝔽5), …
automorphism group ofD35, C7⋊AGL(1,𝔽5), D5×D7, …
holomorph ofC5×C7

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(840, 139);