Finite Group Databasebeta

C7×#4816 #13055848

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

Aliases

direct productC7×#4816

Splittings

FittingC3×C7×#103 ⋊ C2
HallC3×C7 ⋊ #470
SylowC3 ⋊ C7×#470

Subgroups

subgroupG/H
centerC22×C7D3×D4
commutator, cosocleC2×C3×C4C23×C7
FrattiniC2×C4C22×D3×C7
FittingC3×C7×#103C2
socleC22×C3×C7C2×D4
prime radicalC22×D3×C7D4
hypercenterC7×#103D3
hypocenterC3C7×#470
LCSG ▷ C2×C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C22×C7 ◁ C2×C4×C7 ◁ C7×#103

220 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 220 conjugacy classes of subgroups — too many to draw. Only its 78 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) = 30
transitive degreeμt(G) = 672

A minimal faithful permutation representation — 3 generators on 30 points:

(1,2,3,4,5,6,7)(8,9,10)(11,12)(13,14)(15,17,19,24)(16,21,20,27)(18,26,25,23)(22,29,28,30);(11,12,13,14)(16,20)(17,23)(18,25)(21,29)(24,26)(27,30);(9,10)(12,14)(15,16)(17,21)(18,22)(19,20)(23,30)(24,27)(25,28)(26,29)

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, 5137);