Finite Group Databasebeta

C2×#22551521 #30656757

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

Aliases

direct productC2×#22551521

Splittings

SylowC257 ⋊ C2×C4⋊C8

Subgroups

subgroupG/H
centerC22×C4C2×D257
commutatorC2×C257C22×C8
FrattiniC2×C4C22×D257
FittingC22×C8×C257C2
socle, prime radicalC23×C257C2×C4
cosocleC2×C4×C257C23
hypercenterC22×C8D257
hypocenterC257C2×C4⋊C8
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C22×C4 ◁ C22×C8

138 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 16448

Conjugacy classes & character table

4136 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45662259, #45664168, C4×#22551521, …
maximal normal subgroup of#45662259, #45664168, C4×#22551521, …
maximal quotient ofC2×#30656487, C2×#30656489, #45663066, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 569);