Finite Group Databasebeta

#30656752

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

Aliases

No aliases for this group.

Splittings

Fitting#104×C257 ⋊ C2
SylowC257 ⋊ #421

Subgroups

subgroupG/H
centerC4D4×D257
commutatorC4×C257C22×C4
FrattiniC2×C4C22×D257
Fitting#104×C257C2
socleC2×C257C2×C22⋊C4
prime radical#41×D257C2
cosocleC2×C4×C257C23
hypercenter#104D257
hypocenterC257#421
LCSG ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C4 ◁ C2×C4 ◁ #104

154 conjugacy classes of subgroups; only the 51 normal subgroups are shown.

normal subgroups only

This group has 154 conjugacy classes of subgroups — too many to draw. Only its 51 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) = 4112

Polycyclic presentation:

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

Conjugacy classes & character table

1814 conjugacy classes. The character table is too large to display.

Relationships

maximal quotient of#45662704, #45662706, #45662709, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 564);