Finite Group Databasebeta

ΓL(1,𝔽8)×#575 #13060736

order1344
automorphism?
homologyAbelianization (H1) = C24×C3 · Schur multiplier (H2) = C25

Aliases

direct productΓL(1,𝔽8)×#575
unambiguous semidirect product(C7×#575)⋊C3

Splittings

Fitting, HallC7×#575 ⋊ C3
SylowC7 ⋊ C3×#575

Subgroups

subgroupG/H
centerC4C2×D4×ΓL(1,𝔽8)
commutator, cosocleC4×C7C24×C3
FrattiniC4C24×ΓL(1,𝔽8)
FittingC7×#575C3
socleC2×C7C22×C3×D4
hypercenter#575ΓL(1,𝔽8)
hypocenterC7C3×#575
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C4 ◁ C22×C4 ◁ #575

524 conjugacy classes of subgroups; only the 237 normal subgroups are shown.

normal subgroups only

This group has 524 conjugacy classes of subgroups — too many to draw. Only its 237 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) = 23
transitive degreeμt(G) = 112

A minimal faithful permutation representation — 4 generators on 23 points:

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

Conjugacy classes & character table

110 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽7)×#575, ΓL(1,𝔽8)×#3585, #72229450, …
maximal normal subgroup ofAGL(1,𝔽7)×#575, ΓL(1,𝔽8)×#3585, #72229450, …
maximal quotient ofC4×ΓL(1,𝔽8)×AGL(1,ℤ/8)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 10025);