Finite Group Databasebeta

C2×#22551564 #30657227

order16448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productC2×#22551564

Splittings

FittingC22×D4×C257 ⋊ C2
SylowC257 ⋊ C2×#121

Subgroups

subgroupG/H
centerC23C22×D257
commutator, cosocleC22×C257C24
FrattiniC22C23×D257
FittingC22×D4×C257C2
socleC23×C257C23
hypercenterC22×D4D257
hypocenterC257C2×#121
LCSG ▷ C22×C257 ▷ C257
UCSC1 ◁ C23 ◁ C22×D4

426 conjugacy classes of subgroups; only the 135 normal subgroups are shown.

normal subgroups only

This group has 426 conjugacy classes of subgroups — too many to draw. Only its 135 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Conjugacy classes & character table

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

Relationships

maximal subgroup of#45665154, C4×#22551564, #45666830, …
maximal normal subgroup of#45665154, C4×#22551564, #45666830, …
maximal quotient ofC2×#30656595, C2×#30656614, C2×#30656617, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1039);