Finite Group Databasebeta

C7×#5204 #13056237

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

Aliases

direct productC7×#5204

Splittings

HallC3×C7 ⋊ #473
SylowC3 ⋊ C7×#473

Subgroups

subgroupG/H
centerC2×C7#939
commutator, cosocleC2×C3×C4C23×C7
FrattiniC2×C4C22×D3×C7
FittingC3×C7×#137C2
socleC2×C3×C7#121
prime radicalC3×C7×#41C22
hypercenterC7×#137D3
hypocenterC3C7×#473
LCSG ▷ C2×C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C2×C4×C7 ◁ C7×#137

200 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 200 conjugacy classes of subgroups — too many to draw. Only its 74 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)(11,14,17,31)(12,19,22,37)(13,24,26,40)(15,30,16,29)(18,33,34,42)(20,36,21,27)(23,39,38,35)(25,41,32,28);(11,13)(12,18)(14,28)(15,25)(16,32)(17,26)(19,35)(20,23)(21,38)(22,34)(24,30)(27,42)(29,40)(31,41)(33,36)(37,39);(9,10)(11,12,17,22)(13,23,26,38)(14,27,31,36)(15,21,16,20)(18,32,34,25)(19,30,37,29)(24,33,40,42)(28,39,41,35)

Conjugacy classes & character table

189 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 5526);