Finite Group Databasebeta

C7×#4764 #13055798

order1344
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C4

Aliases

direct productC7×#4764

Splittings

FittingC3×C7×#102 ⋊ C2
HallC3×C7 ⋊ #490
SylowC3 ⋊ C7×#490

Subgroups

subgroupG/H
centerC22×C7D3×D4
commutator, cosocleC2×C3×C4C23×C7
FrattiniC2×C4C22×D3×C7
FittingC3×C7×#102C2
socleC22×C3×C7C2×D4
prime radicalC7×#940C2
hypercenterC7×#102D3
hypocenterC3C7×#490
LCSG ▷ C2×C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C22×C7 ◁ C2×C4×C7 ◁ C7×#102

220 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 220 conjugacy classes of subgroups — too many to draw. Only its 74 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) = 672

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

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

Conjugacy classes & character table

210 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 5087);