Finite Group Databasebeta

#30657400

order16448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC22⋊Q8×C257 ⋊ C2
SylowC257 ⋊ D4×Q8

Subgroups

subgroupG/H
center, FrattiniC22C23×D257
commutator, socle, cosocleC22×C257C24
FittingC22⋊Q8×C257C2
prime radicalC2×C22⋊D257C22
hypercenterC22⋊Q8D257
hypocenterC257D4×Q8
LCSG ▷ C22×C257 ▷ C257
UCSC1 ◁ C22 ◁ C22⋊Q8

280 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 280 conjugacy classes of subgroups — too many to draw. Only its 115 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,b^2=e,d^2=e,b^a=be,c^a=cf,d^b=de,g^d=g^256

Conjugacy classes & character table

1817 conjugacy classes. The character table is too large to display.

Relationships

maximal quotient of#45667152, #45667154, #45667216, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1212);