Finite Group Databasebeta

C7×#5420 #13057140

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

Aliases

direct productC7×#5420

Subgroups

subgroupG/H
center, socleC22×C7C2×S4
commutator, hypocenterSL(2,𝔽3)C2×C4×C7
FrattiniC22C2×C7×S4
FittingC22×C7×Q8D3
prime radicalC22×C7×SL(2,𝔽3)C2
cosocleC2×SL(2,𝔽3)C22×C7
hypercenterC23×C7S4
LCSG ▷ SL(2,𝔽3)
UCSC1 ◁ C22×C7 ◁ C23×C7

162 conjugacy classes of subgroups; only the 42 normal subgroups are shown.

normal subgroups only

This group has 162 conjugacy classes of subgroups — too many to draw. Only its 42 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)(12,14,21)(13,24,26,17,18,27)(16,22,23)(19,25);(8,9,10,11)(12,13)(14,19)(15,18)(16,17)(20,24)(21,27)(22,25)(23,26)

Conjugacy classes & character table

182 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 6429);