Finite Group Databasebeta

← C9×Dic9 #66314

Subgroups — C9×Dic9 #66314

Order 324.

41 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C92C211yesmaximal, characteristic
2C9×Dic3—31nomaximal
3C3×Dic9C311yesmaximal, characteristic
4C92C411yescharacteristic, complemented, Sylow
5C2×C3×C9—21no—
6C2×C3×C9D311yescharacteristic
7C2×C3×C9C2×C311yescharacteristic
8C3×Dic3—31no—
9C4×C9—91no—
10Dic9C911yescharacteristic, direct product factor
11C3×C9—21no—
12C3×C9Dic311yescharacteristic
13C3×C9C3×C411yescharacteristic
14C2×C32C3×D311yescharacteristic
15C2×C9—23no—
16C2×C9—21no—
17C2×C9—21no—
18C2×C9D911yescharacteristic
19C2×C9C2×C911yescharacteristic
20C3×C4—91no—
21Dic3—31no—
22C32C3×Dic311yescharacteristic
23C9—23no—
24C9—21no—
25C9—21no—
26C9Dic911yescharacteristic, direct product factor
27C9C4×C911yescharacteristic, complemented
28C2×C3—21no—
29C2×C3C3×D911yescharacteristic
30C2×C3D3×C911yescharacteristic
31C4—91noSylow
32C3—21no—
33C3C3×Dic911yescharacteristic
34C3C9×Dic311yescharacteristic
35C2C9×D911yescharacteristic
subgroupG/H
center, hypercenterC2×C9D9
commutator, hypocenterC9C4×C9
Frattini, socle, prime radicalC2×C32C3×D3
FittingC2×C92C2
cosocleC2×C3×C9C2×C3
LCSG ▷ C9
UCSC1 ◁ C2×C9

Complements

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

NH ≅ G/Ntype
4. C92C4semidirect
10. Dic9C9direct (N × H)
26. C9Dic9direct (N × H)
27. C9C4×C9semidirect

Maximal subgroups

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

subgroupindex
C2×C922
C9×Dic33
C3×Dic93