Finite Group Databasebeta

C2×#22551638 #30657568

order16448
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#22551638

Splittings

FittingC2×#41×C257 ⋊ C2
SylowC257 ⋊ C2×H(5,𝔽2)

Subgroups

subgroupG/H
centerC22C23×D257
commutator, cosocleC2×C257C25
FrattiniC2C24×D257
FittingC2×#41×C257C2
socleC22×C257C24
hypercenterC2×#41D257
hypocenterC257C2×H(5,𝔽2)
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C22 ◁ C2×#41

898 conjugacy classes of subgroups; only the 447 normal subgroups are shown.

normal subgroups only

This group has 898 conjugacy classes of subgroups — too many to draw. Only its 447 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) = 4112

Conjugacy classes & character table

2594 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup of#45664272, #45664275, #45664288, …
maximal normal subgroup of#45664272, #45664275, #45664288, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1380);