Finite Group Databasebeta

D56⋊A4 #13057655

order1344
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD56⋊A4

Splittings

FittingC22×C7×C8 ⋊ C2×C3
HallC22×D56 ⋊ C3
SylowC7 ⋊ A4×D8

Subgroups

subgroupG/H
centerC2C4⋊(D7⋊A4)
commutator, cosocleC22×C4×C7C22×C3
FrattiniC4C2×D7⋊A4
FittingC22×C7×C8C2×C3
socleC23×C7C3×D4
hypercenterC8D7⋊A4
hypocenterC22×C7C3×D8
LCSG ▷ C22×C4×C7 ▷ C23×C7 ▷ C22×C7
UCSC1 ◁ C2 ◁ C4 ◁ C8

186 conjugacy classes of subgroups; only the 29 normal subgroups are shown.

normal subgroups only

This group has 186 conjugacy classes of subgroups — too many to draw. Only its 29 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) = 168

Polycyclic presentation:

2^2,3,2^4,7|b^2=de,d^2=e,b^a=bd,d^a=de,h^a=h^6,f^c=fg,g^c=f,h^c=h^2

Conjugacy classes & character table

60 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 6944);