Finite Group Databasebeta

C2×Q16×D257 #30657512

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

Aliases

direct productC2×Q16×D257

Splittings

FittingC2×Q16×C257 ⋊ C2
SylowC257 ⋊ C22×Q16

Subgroups

subgroupG/H
centerC22D4×D257
commutator, cosocleC4×C257C24
FrattiniC4C23×D257
FittingC2×Q16×C257C2
socleC22×C257C2×D4
prime radicalC22×D257D4
hypercenterC2×Q16D257
hypocenterC257C22×Q16
LCSG ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×Q16

258 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Conjugacy classes & character table

1820 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#358×D257, #45666038, #362×D257, …
maximal normal subgroup of#358×D257, #45666038, #362×D257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1324);