Finite Group Databasebeta

#30656999

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

Aliases

No aliases for this group.

Splittings

Fitting#100×C257 ⋊ C2
SylowC257 ⋊ #471

Subgroups

subgroupG/H
centerC2#22551565
commutator, cosocleC2×C4×C257C23
FrattiniC2×C4C22×D257
Fitting#100×C257C2
socleC2×C257#121
prime radical#22551618C2
hypercenter#100D257
hypocenterC257#471
LCSG ▷ C2×C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C2×C4 ◁ #100

104 conjugacy classes of subgroups; only the 35 normal subgroups are shown.

normal subgroups only

This group has 104 conjugacy classes of subgroups — too many to draw. Only its 35 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|b^2=d,d^2=f,e^2=f,b^a=bd,c^a=ce,d^a=df,e^a=ef,g^b=g^256,e^c=ef,g^c=g^256

Conjugacy classes & character table

1424 conjugacy classes. The character table is too large to display.

Relationships

maximal quotient of#45663660, #45663667, #45663698, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 811);