Finite Group Databasebeta

C2×C42×D257 #30657181

order16448
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×C42×D257

Splittings

FittingC2×C42×C257 ⋊ C2
derived, SylowC257 ⋊ C22×C42

Subgroups

subgroupG/H
center, hypercenterC2×C42D257
commutator, hypocenterC257C22×C42
FrattiniC22C23×D257
FittingC2×C42×C257C2
socleC23×C257C23
prime radicalC23×D257C22
cosocleC22×C257C24
LCSG ▷ C257
UCSC1 ◁ C2×C42

498 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Conjugacy classes & character table

4160 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#336×D257, #45664012, #339×D257, …
maximal normal subgroup of#336×D257, #45664012, #339×D257, …
maximal quotient ofC43×D257, C2×C42×Dic257, C2×#95×D257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 993);