Finite Group Databasebeta

C7×#4473 #13051255

order1344
automorphism?
homologyAbelianization (H1) = C2×C4×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#4473

Splittings

HallC3×C7 ⋊ #354
SylowC3 ⋊ C7×#354

Subgroups

subgroupG/H
centerC2×C7#806
commutatorC2×C3×C4C2×C4×C7
FrattiniC2×D4C2×D3×C7
FittingC3×C7×#99C2
socleC2×C3×C7#99
prime radicalC2×C3×C7×D4C22
cosocleC2×C3×D4C22×C7
hypercenterC7×#99D3
hypocenterC3C7×#354
LCSG ▷ C2×C3×C4 ▷ C22×C3 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C22×C7 ◁ C2×C7×D4 ◁ C7×#99

140 conjugacy classes of subgroups; only the 42 normal subgroups are shown.

normal subgroups only

This group has 140 conjugacy classes of subgroups — too many to draw. Only its 42 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 — 2 generators on 26 points:

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

Conjugacy classes & character table

168 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 544);