Finite Group Databasebeta

C7×#5247 #13056282

order1344
automorphism?
homologyAbelianization (H1) = C22×C4×C7 · Schur multiplier (H2) = C26

Aliases

direct productC7×#5247

Splittings

HallC3×C7 ⋊ #379
SylowC3 ⋊ C7×#379

Subgroups

subgroupG/H
centerC23×C7C22×D3
commutatorC22×C3C22×C4×C7
FrattiniC23C22×D3×C7
Fitting, prime radicalC25×C3×C7C2
socleC23×C3×C7C23
cosocleC23×C3C23×C7
hypercenterC25×C7D3
hypocenterC3C7×#379
LCSG ▷ C22×C3 ▷ C3
UCSC1 ◁ C23×C7 ◁ C25×C7

1012 conjugacy classes of subgroups; only the 238 normal subgroups are shown.

normal subgroups only

This group has 1012 conjugacy classes of subgroups — too many to draw. Only its 238 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)(16,18);(20,22);(9,10)(11,12,13,14)(15,16)(17,18)(19,20)(21,22)

Conjugacy classes & character table

420 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 5571);