Finite Group Databasebeta

C7×#5137 #13056172

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

Aliases

direct productC7×#5137

Splittings

HallC3×C7 ⋊ #470
SylowC3 ⋊ C7×#470

Subgroups

subgroupG/H
centerC22×C7C2×D12
commutator, cosocleC2×C3×C4C23×C7
FrattiniC2×C4C22×D3×C7
FittingC2×C3×C7×M16C2
socleC22×C3×C7C2×D4
prime radicalC23×C3×C7D4
hypercenterC2×C7×M16D3
hypocenterC3C7×#470
LCSG ▷ C2×C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C22×C7 ◁ C22×C4×C7 ◁ C2×C7×M16

220 conjugacy classes of subgroups; only the 86 normal subgroups are shown.

normal subgroups only

This group has 220 conjugacy classes of subgroups — too many to draw. Only its 86 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) = 30
transitive degreeμt(G) = 672

A minimal faithful permutation representation — 3 generators on 30 points:

(1,2,3,4,5,6,7)(8,9,10)(12,14)(17,25)(20,29)(23,30)(26,28);(15,17,24,28,19,25,18,26)(16,20,27,30,22,29,21,23);(9,10)(11,12)(13,14)(15,16,19,22)(17,23,25,30)(18,27,24,21)(20,28,29,26)

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, 5461);