Finite Group Databasebeta

#30657614

order16448
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

FittingC22⋊C4×C257 ⋊ C4
SylowC257 ⋊ #342

Subgroups

subgroupG/H
centerC2(C2×#11759967)⋊C4
commutatorC22×C257C42
FrattiniC23C2×#11759967
FittingC22⋊C4×C257C4
socleC2×C257#95
prime radical, cosocleC23×D257C22
hypercenterC22⋊C4#11759967
hypocenterC257#342
LCSG ▷ C22×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C23 ◁ C22⋊C4

142 conjugacy classes of subgroups; only the 36 normal subgroups are shown.

normal subgroups only

This group has 142 conjugacy classes of subgroups — too many to draw. Only its 36 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2056

Polycyclic presentation:

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

Conjugacy classes & character table

662 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1426);