Finite Group Databasebeta

C2×#22551575 #30657240

order16448
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#22551575

Splittings

FittingC23×C4×C257 ⋊ C2
SylowC257 ⋊ C2×#123

Subgroups

subgroupG/H
centerC23C22×D257
commutator, cosocleC22×C257C24
FrattiniC22C23×D257
FittingC23×C4×C257C2
socleC23×C257C23
prime radicalC22×C22⋊D257C2
hypercenterC23×C4D257
hypocenterC257C2×#123
LCSG ▷ C22×C257 ▷ C257
UCSC1 ◁ C23 ◁ C23×C4

342 conjugacy classes of subgroups; only the 127 normal subgroups are shown.

normal subgroups only

This group has 342 conjugacy classes of subgroups — too many to draw. Only its 127 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

4124 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45662666, #45662669, #45664730, …
maximal normal subgroup of#45662666, #45662669, #45664730, …
maximal quotient ofC2×#30656600, C2×#30656610, C2×#30656616, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1052);