Finite Group Databasebeta

#30657822

order16448
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC23×C257 ⋊ C8
SylowC257 ⋊ #323

Subgroups

subgroupG/H
centerC2C22⋊#14523348
commutatorC22×C257C2×C8
FrattiniC22C2×#14523348
FittingC23×C257C8
socleC2×C257C22⋊C8
prime radicalC23×D257C4
cosocleC22×#11759967C22
hypercenterC23#14523348
hypocenterC257#323
LCSG ▷ C22×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C22 ◁ C23

98 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2056

Polycyclic presentation:

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

Conjugacy classes & character table

278 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1634);