Finite Group Databasebeta

#30657644

order16448
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

FittingC42×C257 ⋊ C4
SylowC257 ⋊ #354

Subgroups

subgroupG/H
centerC2#22551651
commutatorC2×C4×C257C2×C4
FrattiniC2×C4C2×#11759967
FittingC42×C257C4
socleC2×C257#99
prime radical, cosocleC2×D1028C22
hypercenterC42#11759967
hypocenterC257#354
LCSG ▷ C2×C4×C257 ▷ C22×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C22 ◁ C2×C4 ◁ C42

70 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4112

Polycyclic presentation:

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

Conjugacy classes & character table

1037 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1456);