Finite Group Databasebeta

C7×#4770 #13055804

order1344
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C22×C4

Aliases

direct productC7×#4770

Splittings

FittingC3×C7×#102 ⋊ C2
HallC3×C7 ⋊ #418
SylowC3 ⋊ C7×#418

Subgroups

subgroupG/H
centerC22×C7D3×D4
commutatorC3×C4C22×C4×C7
FrattiniC2×C4C22×D3×C7
FittingC3×C7×#102C2
socleC22×C3×C7C2×D4
prime radicalC2×D3×C7×D4C2
cosocleC2×C3×C4C23×C7
hypercenterC7×#102D3
hypocenterC3C7×#418
LCSG ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C22×C7 ◁ C2×C4×C7 ◁ C7×#102

380 conjugacy classes of subgroups; only the 110 normal subgroups are shown.

normal subgroups only

This group has 380 conjugacy classes of subgroups — too many to draw. Only its 110 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) = 22
transitive degreeμt(G) = 336

A minimal faithful permutation representation — 3 generators on 22 points:

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

Conjugacy classes & character table

252 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 5093);