Finite Group Databasebeta

C7×#4649 #13055685

order1344
automorphism?
homologyAbelianization (H1) = C2×C42×C7 · Schur multiplier (H2) = C22×C4

Aliases

direct productC7×#4649

Splittings

HallC3×C7 ⋊ C4×C4⋊C4
SylowC3 ⋊ C4×C7×C4⋊C4

Subgroups

subgroupG/H
centerC23×C7C22×D3
commutatorC2×C3C2×C42×C7
FrattiniC23C22×D3×C7
FittingC3×C7×#95C2
socle, prime radicalC23×C3×C7C23
cosocleC23×C3C23×C7
hypercenterC7×#95D3
hypocenterC3C4×C7×C4⋊C4
LCSG ▷ C2×C3 ▷ C3
UCSC1 ◁ C23×C7 ◁ C7×#95

388 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 1344

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

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

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, 4974);