Finite Group Databasebeta

C2×AGL(1,𝔽7)×C211 #31799414

order17724
isoclinismisoclinic class of AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C22×C3×C211 · Schur multiplier (H2) = C2

Aliases

direct productC2×AGL(1,𝔽7)×C211
unambiguous semidirect productD7⋊(C2×C3×C211)
unambiguous semidirect productΓL(1,𝔽8)⋊(C22×C211)
unambiguous semidirect product(C2×D7)⋊(C3×C211)
unambiguous semidirect product(C2×ΓL(1,𝔽8))⋊(C2×C211)

Splittings

Fitting, socleC2×C7×C211 ⋊ C2×C3
derived, SylowC7 ⋊ C22×C3×C211
HallC2×D7×C211 ⋊ C3
HallΓL(1,𝔽8)×C211 ⋊ C22
HallC7×C211 ⋊ C22×C3
HallC2×D7 ⋊ C3×C211
HallΓL(1,𝔽8) ⋊ C22×C211

Subgroups

subgroupG/H
center, hypercenterC2×C211AGL(1,𝔽7)
commutator, cosocle, hypocenterC7C22×C3×C211
FrattiniC1G
Fitting, socleC2×C7×C211C2×C3
LCSG ▷ C7
UCSC1 ◁ C2×C211

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2954

Conjugacy classes & character table

2954 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17724, 46);