Finite Group Databasebeta

C7×#4914 #13055949

order1344
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#4914

Splittings

FittingC3×C7×SD32 ⋊ C2
HallC3×C7 ⋊ #509
SylowC3 ⋊ C7×#509

Subgroups

subgroupG/H
centerC2×C7D3×D8
commutator, cosocleC3×C8C23×C7
FrattiniC8C22×D3×C7
FittingC3×C7×SD32C2
socleC2×C3×C7C2×D8
hypercenterC7×SD32D3
hypocenterC3C7×#509
LCSG ▷ C3×C8 ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C4×C7 ◁ C7×C8 ◁ C7×SD32

180 conjugacy classes of subgroups; only the 62 normal subgroups are shown.

normal subgroups only

This group has 180 conjugacy classes of subgroups — too many to draw. Only its 62 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) = 26
transitive degreeμt(G) = 336

A minimal faithful permutation representation — 3 generators on 26 points:

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

Conjugacy classes & character table

189 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 5238);