Finite Group Databasebeta

C7×#4912 #13055947

order1344
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#4912

Splittings

FittingC3×C7×D16 ⋊ C2
HallC3×C7 ⋊ #508
SylowC3 ⋊ C7×#508

Subgroups

subgroupG/H
centerC2×C7D3×D8
commutator, cosocleC3×C8C23×C7
FrattiniC8C22×D3×C7
FittingC3×C7×D16C2
socleC2×C3×C7C2×D8
hypercenterC7×D16D3
hypocenterC3C7×#508
LCSG ▷ C3×C8 ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C4×C7 ◁ C7×C8 ◁ C7×D16

168 conjugacy classes of subgroups; only the 62 normal subgroups are shown.

normal subgroups only

This group has 168 conjugacy classes of subgroups — too many to draw. Only its 62 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) = 42
transitive degreeμt(G) = 672

A minimal faithful permutation representation — 3 generators on 42 points:

(1,2,3,4,5,6,7)(8,9,10)(12,18)(13,22)(14,26)(15,27)(17,30)(19,36)(21,35)(23,24)(25,41)(28,42)(29,40)(31,38)(32,39)(33,37);(11,13)(12,17)(14,22)(15,29)(16,25)(18,21)(19,35)(20,38)(23,26)(24,27)(28,41)(30,33)(31,37)(32,34)(36,39)(40,42);(9,10)(11,12)(13,21)(14,19)(15,20)(16,18)(17,25)(22,30)(23,39)(24,38)(26,37)(27,34)(28,33)(29,32)(31,40)(35,41)(36,42)

Conjugacy classes & character table

231 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 5236);