Finite Group Databasebeta

#30656702

order16448
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

FittingC22⋊C8×C257 ⋊ C2
SylowC257 ⋊ #408

Subgroups

subgroupG/H
center, FrattiniC2×C4C22×D257
commutator, socleC22×C257C22×C4
FittingC22⋊C8×C257C2
prime radicalC2×#16861618C2
cosocleC2×C4×C257C23
hypercenterC22⋊C8D257
hypocenterC257#408
LCSG ▷ C22×C257 ▷ C257
UCSC1 ◁ C2×C4 ◁ C22⋊C8

158 conjugacy classes of subgroups; only the 55 normal subgroups are shown.

normal subgroups only

This group has 158 conjugacy classes of subgroups — too many to draw. Only its 55 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|a^2=e,e^2=f,b^a=bd,c^b=cf,g^c=g^256

Conjugacy classes & character table

2588 conjugacy classes. The character table is too large to display.

Relationships

maximal quotient of#45662665, #45662667, #45662670, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 514);