Finite Group Databasebeta

D4×D45 #10623710

order720
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

direct productD4×D45

Splittings

FittingC5×D4×C9 ⋊ C2
HallC5×C9 ⋊ C2×D4
SylowC9 ⋊ D4×D5
SylowC5 ⋊ D4×D9

Subgroups

subgroupG/H
centerC2C22×D45
commutator, cosocleC2×C5×C9C23
FrattiniC2×C3C22×D15
FittingC5×D4×C9C2
socleC2×C3×C5C22×D3
hypercenterD4D45
hypocenterC5×C9C2×D4
LCSG ▷ C2×C5×C9 ▷ C5×C9
UCSC1 ◁ C2 ◁ D4

162 conjugacy classes of subgroups; only the 49 normal subgroups are shown.

normal subgroups only

This group has 162 conjugacy classes of subgroups — too many to draw. Only its 49 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) = 180

Conjugacy classes & character table

120 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13084246, #13084251, #13084254, …
maximal normal subgroup of#13084246, #13084251, #13084254, …
maximal quotient of#13084526, #13084527, C22⋊C4×D45, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(720, 179);