Finite Group Databasebeta

← Dic9⋊C9 #66317

Subgroups — Dic9⋊C9 #66317

Order 324.

35 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C9⋊C9C211yesmaximal, characteristic
2C9×Dic3—31nomaximal
3C3×Dic9C311yesmaximal, characteristic
4C9⋊C9C411yescharacteristic, complemented, Sylow
5C2×C3×C9—21no—
6C2×C3×C9D311yescharacteristic
7C2×C3×C9C2×C311yescharacteristic
8C3×Dic3—31no—
9C4×C9—91no—
10Dic9C911yescharacteristic, complemented
11C3×C9—21no—
12C3×C9Dic311yescharacteristic
13C3×C9C3×C411yescharacteristic
14C2×C32C3×D311yescharacteristic
15C2×C9—21no—
16C2×C9—31no—
17C2×C9—61no—
18C2×C9C2×C911yescharacteristic
19C3×C4—91no—
20Dic3—31no—
21C32C3×Dic311yescharacteristic
22C9—21no—
23C9—31no—
24C9—61no—
25C9C4×C911yescharacteristic, complemented
26C2×C3—21no—
27C2×C3D3×C911yescharacteristic
28C2×C3AGL(1,ℤ/9)11yescharacteristic
29C4—91noSylow
30C3—21no—
31C3C9×Dic311yescharacteristic
32C33−1+2⋊C411yescharacteristic
33C2D9⋊C911yescharacteristic
subgroupG/H
center, hypercenterC2×C3AGL(1,ℤ/9)
commutator, hypocenterC9C4×C9
Frattini, socle, prime radicalC2×C32C3×D3
FittingC2×C9⋊C9C2
cosocleC2×C3×C9C2×C3
LCSG ▷ C9
UCSC1 ◁ C2×C3

Complements

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

NH ≅ G/Ntype
4. C9⋊C9C4semidirect
10. Dic9C9semidirect
25. C9C4×C9semidirect

Maximal subgroups

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

subgroupindex
C2×C9⋊C92
C9×Dic33
C3×Dic93