Finite Group Databasebeta

C2×#22551516 #30656728

order16448
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

direct productC2×#22551516

Splittings

SylowC257 ⋊ C2×#103

Subgroups

subgroupG/H
centerC23C22⋊D257
commutatorC4×C257C22×C4
FrattiniC2×C4C22×D257
FittingC22×Q8×C257C2
socle, prime radicalC23×C257D4
cosocleC2×C4×C257C23
hypercenterC22×Q8D257
hypocenterC257C2×#103
LCSG ▷ C4×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C23 ◁ C22×C4 ◁ C22×Q8

162 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 16448

Conjugacy classes & character table

2588 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC4×#22551516, #103×Dic257, #45664150, …
maximal normal subgroup ofC4×#22551516, #103×Dic257, #45664150, …
maximal quotient ofC2×Q8⋊#14523339, #45662723, #45662749, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 540);