Finite Group Databasebeta

#30656988

order16448
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

Fitting#121×C257 ⋊ C2
SylowC257 ⋊ #469

Subgroups

subgroupG/H
centerC22C2×C22⋊D257
commutator, cosocleC2×C4×C257C23
FrattiniC2×C4C22×D257
Fitting#121×C257C2
socleC22×C257C2×D4
hypercenter#121D257
hypocenterC257#469
LCSG ▷ C2×C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C22 ◁ C22×C4 ◁ #121

130 conjugacy classes of subgroups; only the 41 normal subgroups are shown.

normal subgroups only

This group has 130 conjugacy classes of subgroups — too many to draw. Only its 41 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) = 8224

Polycyclic presentation:

2^6,257|b^2=df,d^2=f,b^a=bd,c^a=ce,d^a=df,c^b=cf,g^b=g^256

Conjugacy classes & character table

1808 conjugacy classes. The character table is too large to display.

Relationships

maximal quotient of#45663797, #45663802, #45663831, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 800);