Finite Group Databasebeta

← C2×C9×D5 #4364

Subgroups — C2×C9×D5 #4364

Order 180.

30 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C5×C9C211yesmaximal, characteristic, complemented
2C9×D5C212yesmaximal, direct product factor
3C2×C3×D5C311yesmaximal, characteristic
4C5×C9C2211yescharacteristic, complemented, Hall
5C22×C9—51nomaximal, Hall
6C2×C3×C5C2×C311yescharacteristic
7C3×D5C2×C312yes—
8C2×D5C911yescharacteristic, direct product factor, Hall
9C2×C9—52no—
10C2×C9D511yescharacteristic, direct product factor
11C3×C5C22×C311yescharacteristic
12C22×C3—51no—
13C2×C5C2×C911yescharacteristic, complemented
14D5C2×C912yesdirect product factor
15C9C2×D511yescharacteristic, direct product factor, Sylow
16C2×C3—52no—
17C2×C3C3×D511yescharacteristic
18C5C22×C911yescharacteristic, complemented, Sylow
19C22—51noSylow
20C3C2×C3×D511yescharacteristic
21C2—52no—
22C2C9×D511yescharacteristic, direct product factor
subgroupG/H
center, hypercenterC2×C9D5
commutator, hypocenterC5C22×C9
FrattiniC3C2×C3×D5
FittingC2×C5×C9C2
socleC2×C3×C5C2×C3
prime radicalC2×C3×D5C3
cosocleC3×C5C22×C3
LCSG ▷ C5
UCSC1 ◁ C2×C9

Complements

Splittings G = N ⋊ H with N normal; H ≅ G/N.

NH ≅ G/Ntype
1. C2×C5×C9C2semidirect
2. C9×D5C2direct (N × H)
4. C5×C9C22semidirect
8. C2×D5C9direct (N × H)
10. C2×C9D5direct (N × H)
13. C2×C5C2×C9semidirect
14. D5C2×C9direct (N × H)
15. C9C2×D5direct (N × H)
18. C5C22×C9semidirect
22. C2C9×D5direct (N × H)

Maximal subgroups

By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.

subgroupindex
C2×C5×C92
C9×D52
C2×C3×D53
C22×C95