Finite Group Databasebeta

C7×#857⋊C2 #13057117

order1344
isoclinismisoclinic class of #857⋊C2
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#857⋊C2
unambiguous semidirect product#857⋊(C2×C7)

Splittings

FittingC7×#127 ⋊ D3
derivedC42⋊C3 ⋊ C22×C7

Subgroups

subgroupG/H
center, hypercenterC7#857⋊C2
commutator, cosocle, hypocenterC42⋊C3C22×C7
FrattiniC22C2×C7×S4
FittingC7×#127D3
socleC22×C7C2×S4
LCSG ▷ C42⋊C3
UCSC1 ◁ C7

166 conjugacy classes of subgroups; only the 20 normal subgroups are shown.

normal subgroups only

This group has 166 conjugacy classes of subgroups — too many to draw. Only its 20 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) = 19
transitive degreeμt(G) = 84

A minimal faithful permutation representation — 2 generators on 19 points:

(1,2,3,4,5,6,7)(8,9,19,11,13,16)(10,18,12)(14,17,15);(9,12)(13,17)(14,16)(18,19)

Conjugacy classes & character table

98 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 6406);