Finite Group Databasebeta

ΓL(1,𝔽8)×#408 #13054939

order1344
automorphism?
homologyAbelianization (H1) = C22×C3×C4 · Schur multiplier (H2) = C23

Aliases

direct productΓL(1,𝔽8)×#408
unambiguous semidirect product(C7×#408)⋊C3

Splittings

Fitting, HallC7×#408 ⋊ C3
SylowC7 ⋊ C3×#408

Subgroups

subgroupG/H
center, FrattiniC2×C4C23×ΓL(1,𝔽8)
commutator, socleC22×C7C22×C3×C4
FittingC7×#408C3
prime radicalC2×#41×ΓL(1,𝔽8)C2
cosocleC2×C4×C7C23×C3
hypercenter#408ΓL(1,𝔽8)
hypocenterC7C3×#408
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C2×C4 ◁ #408

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

normal subgroups only

This group has 316 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) = 27
transitive degreeμt(G) = 224

A minimal faithful permutation representation — 3 generators on 27 points:

(2,3,4)(5,7,6)(8,9)(10,11)(12,13,15,18,16,19,22,25)(14,17,21,24,20,23,26,27);(1,2,3,5,4,6,7)(9,11)(12,14)(13,17)(15,21)(16,20)(18,24)(19,23)(22,26)(25,27);(14,20)(17,23)(21,26)(24,27)

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 4228);