Finite Group Databasebeta

2−1+4×D257 #30657569

order16448
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct product2−1+4×D257

Splittings

Fitting2−1+4×C257 ⋊ C2
SylowC257 ⋊ C2×2−1+4

Subgroups

subgroupG/H
center, FrattiniC2C24×D257
commutator, socle, cosocleC2×C257C25
Fitting2−1+4×C257C2
hypercenter2−1+4D257
hypocenterC257C2×2−1+4
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ 2−1+4

794 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4112

Conjugacy classes & character table

2210 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1381);