Finite Group Databasebeta

C7×#4491 #13051273

order1344
isoclinismisoclinic class of #826
automorphism?
homologyAbelianization (H1) = C2×C4×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#4491

Splittings

FittingC3×C7×#107 ⋊ C2
HallC3×C7 ⋊ #357
SylowC3 ⋊ C7×#357

Subgroups

subgroupG/H
centerC22×C7#213
commutatorC3×C8C2×C4×C7
FrattiniC2×C8C2×D3×C7
FittingC3×C7×#107C2
socleC22×C3×C7D8
prime radicalC2×C7×D24C2
cosocleC2×C3×C8C22×C7
hypercenterC7×#107D3
hypocenterC3C7×#357
LCSG ▷ C3×C8 ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C22×C7 ◁ C2×C4×C7 ◁ C2×C7×C8 ◁ C7×#107

132 conjugacy classes of subgroups; only the 58 normal subgroups are shown.

normal subgroups only

This group has 132 conjugacy classes of subgroups — too many to draw. Only its 58 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 — 2 generators on 30 points:

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

Conjugacy classes & character table

252 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 562);