Finite Group Databasebeta

C7×#4563 #13051345

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

Aliases

direct productC7×#4563

Splittings

HallC3×C7 ⋊ #361
SylowC3 ⋊ C7×#361

Subgroups

subgroupG/H
centerC2×C7#832
commutatorC3×C8C2×C4×C7
FrattiniC2×C8C2×D3×C7
Fitting, prime radicalC2×C3×C7×D8C2
socleC2×C3×C7#102
cosocleC2×C3×C8C22×C7
hypercenterC2×C7×D8D3
hypocenterC3C7×#361
LCSG ▷ C3×C8 ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C2×C4×C7 ◁ C2×C7×C8 ◁ C2×C7×D8

124 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 124 conjugacy classes of subgroups — too many to draw. Only its 54 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)(12,16)(13,21)(14,24)(17,18)(19,26)(20,23)(22,25);(9,10)(11,12,13,17,15,20,21,19)(14,23,22,18,25,16,24,26)

Conjugacy classes & character table

210 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 634);