Finite Group Databasebeta

C7×#4707 #13055736

order1344
automorphism?
homologyAbelianization (H1) = C2×C42×C7 · Schur multiplier (H2) = C2×C4

Aliases

direct productC7×#4707

Splittings

FittingC3×C7×#97 ⋊ C2
HallC3×C7 ⋊ C4×M16
SylowC3 ⋊ C4×C7×M16

Subgroups

subgroupG/H
centerC2×C4×C7C22×D3
commutatorC2×C3C2×C42×C7
FrattiniC2×C4C22×D3×C7
FittingC3×C7×#97C2
socleC22×C3×C7C22×C4
prime radicalC22×D3×C7C2×C4
cosocleC2×C3×C4C23×C7
hypercenterC7×#97D3
hypocenterC3C4×C7×M16
LCSG ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C4×C7 ◁ C7×#97

284 conjugacy classes of subgroups; only the 158 normal subgroups are shown.

normal subgroups only

This group has 284 conjugacy classes of subgroups — too many to draw. Only its 158 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)(15,16,17,20,18,19,21,22);(11,12,13,14)(16,19)(20,22);(9,10)(16,19)(20,22)

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, 5025);