Finite Group Databasebeta

← C2×C9⋊D9 #66382

Subgroups — C2×C9⋊D9 #66382

Order 324.

115 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C92C211yesmaximal, characteristic, complemented
2C9⋊D9C212yesmaximal, direct product factor
3C2×C3⋊D9—34nomaximal
4C92C2211yescharacteristic, complemented, Sylow
5C2×C3×C9D314yes—
6C3⋊D9—38no—
7C2×C3⋊D3—91no—
8C2×D9—912no—
9C3×C9C2×D314yes—
10C2×C32C3⋊D311yescharacteristic
11C3⋊D3—92no—
12C2×C9D9112yescomplemented
13D9—924no—
14C2×D3—274no—
15C32C2×C3⋊D311yescharacteristic
16C9C2×D9112yescomplemented
17C2×C3C3⋊D914yes—
18D3—278no—
19C22—811noSylow
20C3C2×C3⋊D914yes—
21C2—812no—
22C2C9⋊D911yescharacteristic, direct product factor
subgroupG/H
center, hypercenterC2C9⋊D9
commutator, cosocle, hypocenterC92C22
FrattiniC32C2×C3⋊D3
FittingC2×C92C2
socleC2×C32C3⋊D3
LCSG ▷ C92
UCSC1 ◁ C2

Complements

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

NH ≅ G/Ntype
1. C2×C92C2semidirect
2. C9⋊D9C2direct (N × H)
4. C92C22semidirect
12. C2×C9D9semidirect
16. C9C2×D9semidirect
22. C2C9⋊D9direct (N × H)

Maximal subgroups

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

subgroupindex
C2×C922
C9⋊D92
C2×C3⋊D93