Finite Group Databasebeta

C7×#5141 #13056176

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

Aliases

direct productC7×#5141

Splittings

FittingC3×C7×#131 ⋊ C2
HallC3×C7 ⋊ #471
SylowC3 ⋊ C7×#471

Subgroups

subgroupG/H
centerC2×C7#930
commutator, cosocleC2×C3×C4C23×C7
FrattiniC2×C4C22×D3×C7
FittingC3×C7×#131C2
socleC2×C3×C7#121
prime radicalC7×#949C2
hypercenterC7×#131D3
hypocenterC3C7×#471
LCSG ▷ C2×C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C2×C4×C7 ◁ C7×#131

208 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 208 conjugacy classes of subgroups — too many to draw. Only its 78 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)(11,13)(12,17)(14,20)(15,21)(16,23)(18,26)(19,22)(24,25);(11,12,14,16,15,18,22,24)(13,17,20,23,21,26,19,25);(9,10)(12,16)(13,19)(14,22)(18,24)(20,21)(23,25)

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, 5465);