Finite Group Databasebeta

← C2×D9×C661 #37558295

Subgroups — C2×D9×C661 #37558295

Order 23796.

30 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1D9×C661C212yesmaximal, direct product factor
2C2×C9×C661C211yesmaximal, characteristic, complemented
3C2×D3×C661—31nomaximal
4C9×C661C2211yescharacteristic, complemented, Hall
5C2×C3×C661D311yescharacteristic
6D3×C661—32no—
7C22×C661—91noHall
8C3×C661C2×D311yescharacteristic
9C2×C661—92no—
10C2×C661D911yescharacteristic, direct product factor
11C661C2×D911yescharacteristic, direct product factor, Sylow
12C2×D9C66111yesmaximal, characteristic, direct product factor, Hall
13C2×C9C2×C66111yescharacteristic, complemented
14D9C2×C66112yesdirect product factor
15C2×D3—31no—
16C9C22×C66111yescharacteristic, complemented, Sylow
17C2×C3D3×C66111yescharacteristic
18D3—32no—
19C22—91noSylow
20C3C2×D3×C66111yescharacteristic
21C2—92no—
22C2D9×C66111yescharacteristic, direct product factor
subgroupG/H
center, hypercenterC2×C661D9
commutator, cosocle, hypocenterC9C22×C661
FrattiniC3C2×D3×C661
FittingC2×C9×C661C2
socleC2×C3×C661D3
LCSG ▷ C9
UCSC1 ◁ C2×C661

Complements

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

NH ≅ G/Ntype
1. D9×C661C2direct (N × H)
2. C2×C9×C661C2semidirect
4. C9×C661C22semidirect
10. C2×C661D9direct (N × H)
11. C661C2×D9direct (N × H)
12. C2×D9C661direct (N × H)
13. C2×C9C2×C661semidirect
14. D9C2×C661direct (N × H)
16. C9C22×C661semidirect
22. C2D9×C661direct (N × H)

Maximal subgroups

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

subgroupindex
D9×C6612
C2×C9×C6612
C2×D3×C6613
C2×D9661