Finite Group Databasebeta

C7×#5415 #13057135

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

Aliases

direct productC7×#5415

Splittings

FittingC22×C7×D4 ⋊ D3

Subgroups

subgroupG/H
centerC2×C7GL(2,ℤ/4)
commutator, cosocleC4×A4C22×C7
FrattiniC4C2×C7×S4
FittingC22×C7×D4D3
socleC23×C7#67
hypercenterC7×D4S4
hypocenterA4C7×D8
LCSG ▷ C4×A4 ▷ C2×A4 ▷ A4
UCSC1 ◁ C2×C7 ◁ C4×C7 ◁ C7×D4

174 conjugacy classes of subgroups; only the 30 normal subgroups are shown.

normal subgroups only

This group has 174 conjugacy classes of subgroups — too many to draw. Only its 30 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) = 19
transitive degreeμt(G) = 168

A minimal faithful permutation representation — 2 generators on 19 points:

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

Conjugacy classes & character table

133 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 6424);