Finite Group Databasebeta

C7×#520⋊C3 #13060747

order1344
automorphism?
homologyAbelianization (H1) = C2×C3×C4×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×#520⋊C3
unambiguous semidirect product#520⋊(C3×C7)

Splittings

Fitting, HallC7×#520 ⋊ C3
Sylow#520 ⋊ C3×C7

Subgroups

subgroupG/H
center, socleC22×C7C22×A4
commutator, hypocenterQ8C2×C3×C4×C7
FrattiniC22C22×C7×A4
FittingC7×#520C3
prime radicalC2×C7×#41⋊C3C2
cosocleC2×Q8C22×C3×C7
hypercenterC7×C4⋊C4A4
LCSG ▷ Q8
UCSC1 ◁ C22×C7 ◁ C7×C4⋊C4

168 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 168 conjugacy classes of subgroups — too many to draw. Only its 54 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) = 27
transitive degreeμt(G) = 448

A minimal faithful permutation representation — 2 generators on 27 points:

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

Conjugacy classes & character table

266 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 10036);