Finite Group Databasebeta

#30657805

order16448
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC2×Q8×C257 ⋊ C4
SylowC257 ⋊ #519

Subgroups

subgroupG/H
center, FrattiniC2C23×#11759967
commutator, socleC2×C257C23×C4
FittingC2×Q8×C257C4
prime radicalC22×D257C23
cosocleC2×D257C24
hypercenterC2×Q8#11759967
hypocenterC257#519
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C2×Q8

266 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4112

Polycyclic presentation:

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

Conjugacy classes & character table

674 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1617);