Finite Group Databasebeta

C22⋊D439 #16812895

order3512
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC22⋊D439

Splittings

FittingC22×C439 ⋊ C2
SylowC439 ⋊ D4

Subgroups

subgroupG/H
center, FrattiniC2C2×D439
commutator, socle, cosocleC2×C439C22
FittingC22×C439C2
hypercenterC22D439
hypocenterC439D4
LCSG ▷ C2×C439 ▷ C439
UCSC1 ◁ C2 ◁ C22

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 443
transitive degreeμt(G) = 1756

Polycyclic presentation:

2^3,439|b^a=bc,d^b=d^438

Conjugacy classes & character table

881 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3512, 9);