Finite Group Databasebeta

2−1+4×D21 #13062384

order1344
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct product2−1+4×D21

Splittings

FittingC3×C7×2−1+4 ⋊ C2
HallC3×C7 ⋊ C2×2−1+4
SylowC7 ⋊ D3×2−1+4
SylowC3 ⋊ D7×2−1+4

Subgroups

subgroupG/H
center, FrattiniC2C24×D21
commutator, socle, cosocleC2×C3×C7C25
FittingC3×C7×2−1+4C2
hypercenter2−1+4D21
hypocenterC3×C7C2×2−1+4
LCSG ▷ C2×C3×C7 ▷ C3×C7
UCSC1 ◁ C2 ◁ 2−1+4

1588 conjugacy classes of subgroups; only the 581 normal subgroups are shown.

normal subgroups only

This group has 1588 conjugacy classes of subgroups — too many to draw. Only its 581 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 336

Conjugacy classes & character table

204 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 11673);