Finite Group Databasebeta

#30657831

order16448
automorphism?
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC257 ⋊ #346

Subgroups

subgroupG/H
center, FrattiniC22C2×#14523348
commutatorC2×C257C4×C8
FittingC2×C4×C257C8
socle, prime radicalC22×C257C2×C8
cosocleC2×#14523346C22
hypercenterC2×C4#14523348
hypocenterC257#346
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C22 ◁ C2×C4

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 16448

Polycyclic presentation:

2^6,257|a^2=c,b^2=d,c^2=e,e^2=f,b^a=bf,g^a=g^64,g^c=g^241,g^e=g^256

Conjugacy classes & character table

296 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1643);