Finite Group Databasebeta

← C2×D9×C839 #44474969

Subgroups — C2×D9×C839 #44474969

Order 30204.

30 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1D9×C839C212yesmaximal, direct product factor
2C2×C9×C839C211yesmaximal, characteristic, complemented
3C2×D3×C839—31nomaximal
4C9×C839C2211yescharacteristic, complemented, Hall
5C2×C3×C839D311yescharacteristic
6D3×C839—32no—
7C22×C839—91noHall
8C3×C839C2×D311yescharacteristic
9C2×C839—92no—
10C2×C839D911yescharacteristic, direct product factor
11C839C2×D911yescharacteristic, direct product factor, Sylow
12C2×D9C83911yesmaximal, characteristic, direct product factor, Hall
13C2×C9C2×C83911yescharacteristic, complemented
14D9C2×C83912yesdirect product factor
15C2×D3—31no—
16C9C22×C83911yescharacteristic, complemented, Sylow
17C2×C3D3×C83911yescharacteristic
18D3—32no—
19C22—91noSylow
20C3C2×D3×C83911yescharacteristic
21C2—92no—
22C2D9×C83911yescharacteristic, direct product factor
subgroupG/H
center, hypercenterC2×C839D9
commutator, cosocle, hypocenterC9C22×C839
FrattiniC3C2×D3×C839
FittingC2×C9×C839C2
socleC2×C3×C839D3
LCSG ▷ C9
UCSC1 ◁ C2×C839

Complements

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

NH ≅ G/Ntype
1. D9×C839C2direct (N × H)
2. C2×C9×C839C2semidirect
4. C9×C839C22semidirect
10. C2×C839D9direct (N × H)
11. C839C2×D9direct (N × H)
12. C2×D9C839direct (N × H)
13. C2×C9C2×C839semidirect
14. D9C2×C839direct (N × H)
16. C9C22×C839semidirect
22. C2D9×C839direct (N × H)

Maximal subgroups

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

subgroupindex
D9×C8392
C2×C9×C8392
C2×D3×C8393
C2×D9839