Finite Group Databasebeta

C2×ΓL(1,𝔽8)×#117 #13060675

order1344
automorphism?
homologyAbelianization (H1) = C23×C3×C4 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×ΓL(1,𝔽8)×#117
unambiguous semidirect product(C2×C7×#117)⋊C3

Splittings

Fitting, HallC2×C7×#117 ⋊ C3
SylowC7 ⋊ C2×C3×#117

Subgroups

subgroupG/H
centerC22×C4C22×ΓL(1,𝔽8)
commutatorC2×C7C23×C3×C4
FrattiniC22C24×ΓL(1,𝔽8)
FittingC2×C7×#117C3
socleC23×C7C23×C3
prime radicalC24×ΓL(1,𝔽8)C22
cosocleC22×C7C24×C3
hypercenterC2×#117ΓL(1,𝔽8)
hypocenterC7C2×C3×#117
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C22×C4 ◁ C2×#117

660 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 4 generators on 21 points:

(1,2)(16,17,18)(19,21,20);(3,4,5,6)(7,8)(9,12)(10,11)(13,14)(15,16,17,19,18,20,21);(8,11)(12,14);(7,9,10,13)(8,12,11,14)

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 9964);