Finite Group Databasebeta

#30657827

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

Aliases

No aliases for this group.

Splittings

FittingC8×C257 ⋊ C8
SylowC257 ⋊ #335

Subgroups

subgroupG/H
centerC2C4⋊#14523348
commutatorC4×C257C2×C8
FrattiniC4C2×#14523348
FittingC8×C257C8
socleC2×C257C4⋊C8
prime radicalC2×D257C4⋊C4
cosocleC4×#11759967C22
hypercenterC8#14523348
hypocenterC257#335
LCSG ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C4 ◁ C8

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2056

Polycyclic presentation:

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

Conjugacy classes & character table

284 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1639);