Finite Group Databasebeta

C2×#65282 #10613921

order640
isoclinismisoclinic class of #64945
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

direct productC2×#65282

Splittings

FittingC22×C5×C4⋊C4 ⋊ C2
SylowC5 ⋊ C2×#397

Subgroups

subgroupG/H
centerC24C22×D5
commutator, cosocleC23×C5C24
FrattiniC23C23×D5
FittingC22×C5×C4⋊C4C2
socleC24×C5C23
prime radicalC24×D5C22
hypercenterC22×C4⋊C4D5
hypocenterC5C2×#397
LCSG ▷ C23×C5 ▷ C5
UCSC1 ◁ C24 ◁ C22×C4⋊C4

820 conjugacy classes of subgroups; only the 237 normal subgroups are shown.

normal subgroups only

This group has 820 conjugacy classes of subgroups — too many to draw. Only its 237 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) = 320

Conjugacy classes & character table

124 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#11994346, #11994361, #11999521, …
maximal normal subgroup of#11994346, #11994361, #11999521, …
maximal quotient ofC2×#10602363, C2×#10600222, C2×#10602360, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(640, 16003);