Finite Group Databasebeta

← C2×C4×D9 #3695

Subgroups — C2×C4×D9 #3695

Order 144.

81 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×D9C211yesmaximal, characteristic
2C2×C4×C9C211yesmaximal, characteristic, complemented
3C2×Dic9C211yesmaximal, characteristic, complemented
4C4×D9C214yesmaximal, direct product factor
5C2×C4×D3—31nomaximal
6C22×C9C2211yescharacteristic
7C2×D9C414yesdirect product factor
8C2×D9C2212yes—
9C4×C9C2212yescomplemented
10Dic9C2212yescomplemented
11C22×D3—31no—
12C2×C3×C4D311yescharacteristic
13C2×Dic3—31no—
14C4×D3—34no—
15C2×C9C2×C412yescomplemented
16C2×C9C2311yescharacteristic
17D9C2×C414yesdirect product factor
18C22×C4—91noSylow
19C22×C3C2×D311yescharacteristic
20C2×D3—34no—
21C2×D3—32no—
22C3×C4C2×D312yes—
23Dic3—32no—
24C9C22×C411yescharacteristic, complemented, Sylow
25C23—91no—
26C2×C4—91no—
27C2×C4—94no—
28C2×C4D911yescharacteristic, direct product factor
29C2×C3C4×D312yes—
30C2×C3C22×D311yescharacteristic
31D3—34no—
32C22—94no—
33C22—92no—
34C22C2×D911yescharacteristic
35C4—92no—
36C4C2×D912yesdirect product factor
37C3C2×C4×D311yescharacteristic
38C2—94no—
39C2C4×D912yesdirect product factor
40C2C22×D911yescharacteristic
subgroupG/H
center, hypercenterC2×C4D9
commutator, hypocenterC9C22×C4
FrattiniC2×C3C22×D3
FittingC2×C4×C9C2
socleC22×C3C2×D3
prime radicalC22×D9C2
cosocleC2×C9C23
LCSG ▷ C9
UCSC1 ◁ C2×C4

Complements

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

NH ≅ G/Ntype
2. C2×C4×C9C2semidirect
3. C2×Dic9C2semidirect
4. C4×D9C2direct (N × H)
7. C2×D9C4direct (N × H)
9. C4×C9C22semidirect
10. Dic9C22semidirect
15. C2×C9C2×C4semidirect
17. D9C2×C4direct (N × H)
24. C9C22×C4semidirect
28. C2×C4D9direct (N × H)
36. C4C2×D9direct (N × H)
39. C2C4×D9direct (N × H)

Maximal subgroups

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

subgroupindex
C22×D92
C2×C4×C92
C2×Dic92
C4×D92
C2×C4×D33