Finite Group Databasebeta

C7×C4⋊GL(2,𝔽3) #13057114

order1344
isoclinismisoclinic class of #5386
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×C4⋊GL(2,𝔽3)
unambiguous semidirect productC4⋊(C7×GL(2,𝔽3))

Splittings

FittingC4×C7×Q8 ⋊ D3

Subgroups

subgroupG/H
center, socleC22×C7C2×S4
commutator, cosocleC2×SL(2,𝔽3)C22×C7
FrattiniC22C2×C7×S4
FittingC4×C7×Q8D3
hypercenterC2×C4×C7S4
hypocenterSL(2,𝔽3)C7×D4
LCSG ▷ C2×SL(2,𝔽3) ▷ SL(2,𝔽3)
UCSC1 ◁ C22×C7 ◁ C2×C4×C7

182 conjugacy classes of subgroups; only the 34 normal subgroups are shown.

normal subgroups only

This group has 182 conjugacy classes of subgroups — too many to draw. Only its 34 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 2 generators on 19 points:

(1,2,3,4,5,6,7)(8,9,10,11)(12,13,17)(15,18,19);(9,11)(13,14)(16,18)(17,19)

Conjugacy classes & character table

161 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 6403);