Finite Group Databasebeta

ΓL(1,𝔽8)×#390 #13054921

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

Aliases

direct productΓL(1,𝔽8)×#390
unambiguous semidirect product(C7×#390)⋊C3

Splittings

Fitting, HallC7×#390 ⋊ C3
SylowC7 ⋊ C3×#390

Subgroups

subgroupG/H
center, FrattiniC23C23×ΓL(1,𝔽8)
commutatorC22×C7C22×C3×C4
FittingC7×#390C3
socle, cosocleC23×C7C23×C3
prime radicalC22×D4×ΓL(1,𝔽8)C2
hypercenter#390ΓL(1,𝔽8)
hypocenterC7C3×#390
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C23 ◁ #390

516 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 516 conjugacy classes of subgroups — too many to draw. Only its 159 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 — 3 generators on 19 points:

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

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72259691, AGL(1,𝔽7)×#390, #72276666, …
maximal normal subgroup of#72259691, AGL(1,𝔽7)×#390, #72276666, …
maximal quotient ofΓL(1,𝔽8)×#1437, ΓL(1,𝔽8)×#1438

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 4210);