Finite Group Databasebeta

← C4×D9 #608

Subgroups — C4×D9 #608

Order 72.

24 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×D9C211yesmaximal, characteristic
2C4×C9C211yesmaximal, characteristic, complemented
3Dic9C211yesmaximal, characteristic, complemented
4C4×D3—31nomaximal
5C2×C9C2211yescharacteristic
6D9C412yesdirect product factor
7C2×D3—31no—
8C3×C4D311yescharacteristic
9Dic3—31no—
10C9C2×C411yescharacteristic, complemented, Sylow
11C2×C4—91noSylow
12C2×C3C2×D311yescharacteristic
13D3—32no—
14C22—91no—
15C4—91no—
16C4D911yescharacteristic, direct product factor
17C3C4×D311yescharacteristic
18C2—92no—
19C2C2×D911yescharacteristic
subgroupG/H
center, hypercenterC4D9
commutator, hypocenterC9C2×C4
Frattini, socleC2×C3C2×D3
FittingC4×C9C2
prime radicalC2×D9C2
cosocleC2×C9C22
LCSG ▷ C9
UCSC1 ◁ C4

Complements

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

NH ≅ G/Ntype
2. C4×C9C2semidirect
3. Dic9C2semidirect
6. D9C4direct (N × H)
10. C9C2×C4semidirect
16. C4D9direct (N × H)

Maximal subgroups

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

subgroupindex
C2×D92
C4×C92
Dic92
C4×D33