Finite Group Databasebeta

C7×#4788 #13055850

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

Aliases

direct productC7×#4788

Splittings

FittingC3×C7×#103 ⋊ C2
HallC3×C7 ⋊ C4×SD16
SylowC3 ⋊ C4×C7×SD16

Subgroups

subgroupG/H
centerC22×C7D3×D4
commutatorC3×C4C22×C4×C7
FrattiniC2×C4C22×D3×C7
FittingC3×C7×#103C2
socleC22×C3×C7C2×D4
prime radicalC2×C7×D12C22
cosocleC2×C3×C4C23×C7
hypercenterC7×#103D3
hypocenterC3C4×C7×SD16
LCSG ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C22×C7 ◁ C2×C4×C7 ◁ C7×#103

244 conjugacy classes of subgroups; only the 102 normal subgroups are shown.

normal subgroups only

This group has 244 conjugacy classes of subgroups — too many to draw. Only its 102 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) = 672

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

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

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 5139);