Finite Group Databasebeta

C2×ΓL(1,𝔽8)×#99 #13054940

order1344
automorphism?
homologyAbelianization (H1) = C22×C3×C4 · Schur multiplier (H2) = C24

Aliases

direct productC2×ΓL(1,𝔽8)×#99
unambiguous semidirect product(C2×C7×#99)⋊C3

Splittings

Fitting, HallC2×C7×#99 ⋊ C3
SylowC7 ⋊ C2×C3×#99

Subgroups

subgroupG/H
centerC22C22⋊C4×ΓL(1,𝔽8)
commutatorC22×C7C22×C3×C4
FrattiniC23C23×ΓL(1,𝔽8)
FittingC2×C7×#99C3
socleC22×C7C3×C22⋊C4
prime radicalC22×D4×ΓL(1,𝔽8)C2
cosocleC23×C7C23×C3
hypercenterC2×#99ΓL(1,𝔽8)
hypocenterC7C2×C3×#99
LCSG ▷ C22×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C22 ◁ C24 ◁ C2×#99

420 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 420 conjugacy classes of subgroups — too many to draw. Only its 123 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) = 17
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 3 generators on 17 points:

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

Conjugacy classes & character table

110 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×ΓL(1,𝔽8)×B(4,𝔽2), ΓL(1,𝔽8)×#1781, C2×#89513⋊C3, …
maximal normal subgroup ofC2×ΓL(1,𝔽8)×B(4,𝔽2), ΓL(1,𝔽8)×#1781, C2×#89513⋊C3, …
maximal quotient ofΓL(1,𝔽8)×#1781, D3×ΓL(1,𝔽8)×#99, C2×ΓL(1,𝔽8)×AΣL(1,𝔽16), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 4229);