Finite Group Databasebeta

C7×#548⋊C3 #13060751

order1344
isoclinismisoclinic class of #548⋊C3
automorphism?
homologyAbelianization (H1) = C22×C3×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×#548⋊C3
unambiguous semidirect product#548⋊(C3×C7)

Splittings

Fitting, HallC7×#548 ⋊ C3
Sylow#548 ⋊ C3×C7

Subgroups

subgroupG/H
center, socleC22×C7C22×A4
commutator, cosocleC2×Q8C22×C3×C7
FrattiniC22C22×C7×A4
FittingC7×#548C3
hypercenterC7×C22⋊C4A4
hypocenterQ8C3×C7×D4
LCSG ▷ C2×Q8 ▷ Q8
UCSC1 ◁ C22×C7 ◁ C7×C22⋊C4

180 conjugacy classes of subgroups; only the 46 normal subgroups are shown.

normal subgroups only

This group has 180 conjugacy classes of subgroups — too many to draw. Only its 46 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) = 224

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

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

Conjugacy classes & character table

245 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 10040);