Finite Group Databasebeta

C2×C9×D20 #10623688

order720
isoclinismisoclinic class of Dic10
automorphism?
homologyAbelianization (H1) = C23×C9 · Schur multiplier (H2) = C23

Aliases

direct productC2×C9×D20

Splittings

FittingC2×C4×C5×C9 ⋊ C2
HallC5×C9 ⋊ C2×D4
SylowC5 ⋊ C2×D4×C9

Subgroups

subgroupG/H
centerC22×C9C2×D5
commutatorC2×C5C23×C9
FrattiniC2×C3C22×C3×D5
FittingC2×C4×C5×C9C2
socleC22×C3×C5C22×C3
prime radicalC2×C3×D20C3
cosocleC2×C3×C5C23×C3
hypercenterC2×C4×C9D5
hypocenterC5C2×D4×C9
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C22×C9 ◁ C2×C4×C9

162 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 360

Conjugacy classes & character table

234 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13083745, #13083746, #13083747, …
maximal normal subgroup of#13083745, #13083746, #13083747, …
maximal quotient ofC9×#4015, C4×C9×D20, C9×#4020, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(720, 157);