Finite Group Databasebeta

#30657838

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

Aliases

No aliases for this group.

Splittings

SylowC257 ⋊ #350

Subgroups

subgroupG/H
centerC2C22⋊#14523348
commutatorC4×C257C2×C8
FrattiniC4C2×#14523348
FittingQ8×C257C8
socleC2×C257C22⋊C8
prime radical#16861619C4
cosocle#16861626C22
hypercenterQ8#14523348
hypocenterC257#350
LCSG ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C4 ◁ Q8

56 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Polycyclic presentation:

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

Conjugacy classes & character table

188 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1650);