Finite Group Databasebeta

C4×D257 #14523340

order2056
isoclinismisoclinic class of D257
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

direct productC4×D257

Splittings

FittingC4×C257 ⋊ C2
derived, SylowC257 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC4D257
commutator, hypocenterC257C2×C4
FrattiniC2C2×D257
FittingC4×C257C2
socle, cosocleC2×C257C22
prime radicalC2×D257C2
LCSG ▷ C257
UCSC1 ◁ C4

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1028

Conjugacy classes & character table

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

Relationships

maximal subgroup ofC8×D257, #16861601, C2×C4×D257, …
maximal normal subgroup ofC8×D257, #16861601, C2×C4×D257, …
maximal quotient ofC4×Dic257, #16861595, #16861597, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2056, 7);