Finite Group Databasebeta

C4⋊C8×D257 #30656756

order16448
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

direct productC4⋊C8×D257

Splittings

FittingC4⋊C8×C257 ⋊ C2
SylowC257 ⋊ C2×C4⋊C8

Subgroups

subgroupG/H
center, FrattiniC2×C4C22×D257
commutatorC2×C257C22×C8
FittingC4⋊C8×C257C2
socleC22×C257C22×C4
prime radicalC22×D257C2×C4
cosocleC2×C4×C257C23
hypercenterC4⋊C8D257
hypocenterC257C2×C4⋊C8
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C2×C4 ◁ C4⋊C8

138 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Conjugacy classes & character table

2600 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD4⋊C8×D257, Q8⋊C8×D257, #45662704, …
maximal normal subgroup ofD4⋊C8×D257, Q8⋊C8×D257, #45662704, …
maximal quotient of#334×D257, #335×D257, #45663065, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 568);