Finite Group Databasebeta

D4×C22⋊D257 #30657370

order16448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productD4×C22⋊D257

Splittings

FittingC22×D4×C257 ⋊ C2
SylowC257 ⋊ D42

Subgroups

subgroupG/H
center, FrattiniC22C23×D257
commutator, socle, cosocleC22×C257C24
FittingC22×D4×C257C2
hypercenterC22×D4D257
hypocenterC257D42
LCSG ▷ C22×C257 ▷ C257
UCSC1 ◁ C22 ◁ C22×D4

428 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 428 conjugacy classes of subgroups — too many to draw. Only its 123 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

Conjugacy classes & character table

2585 conjugacy classes. The character table is too large to display.

Relationships

maximal quotient ofD4×#16861595, C22⋊C4×C22⋊D257, D4×C22⋊Dic257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1182);