Finite Group Databasebeta

#30657271

order16448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

FittingC2×C42×C257 ⋊ C2
SylowC257 ⋊ #529

Subgroups

subgroupG/H
centerC2×C4C22×D257
commutator, socle, cosocleC22×C257C24
FrattiniC22C23×D257
FittingC2×C42×C257C2
prime radical#22551566C2
hypercenterC2×C42D257
hypocenterC257#529
LCSG ▷ C22×C257 ▷ C257
UCSC1 ◁ C2×C4 ◁ C2×C42

234 conjugacy classes of subgroups; only the 103 normal subgroups are shown.

normal subgroups only

This group has 234 conjugacy classes of subgroups — too many to draw. Only its 103 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=f,d^2=e,b^a=be,c^a=cf,g^a=g^256

Conjugacy classes & character table

4124 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45662726, #45662729, #45662731, …
maximal normal subgroup of#45662726, #45662729, #45662731, …
maximal quotient of#45666718, #45666763, #45666784, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1083);