Finite Group Databasebeta

← C4⋊Dic9 #3670

Subgroups — C4⋊Dic9 #3670

Order 144.

39 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C4×C9C211yesmaximal, characteristic
2C2×Dic9C212yesmaximal
3C4⋊Dic3—31nomaximal
4C22×C9C2211yescharacteristic
5C4×C9C412yescomplemented
6Dic9—22no—
7C2×C3×C4D311yescharacteristic
8C2×Dic3—32no—
9C2×C9C2×C411yescharacteristic
10C2×C9D411yescharacteristic
11C2×C9Q811yescharacteristic
12C4⋊C4—91noSylow
13C22×C3C2×D311yescharacteristic
14C3×C4Dic312yes—
15Dic3—62no—
16C9C4⋊C411yescharacteristic, complemented, Sylow
17C2×C4—92no—
18C2×C4D911yescharacteristic
19C2×C3Dic611yescharacteristic
20C2×C3D1211yescharacteristic
21C2×C3C2×Dic311yescharacteristic
22C22C2×D911yescharacteristic
23C4—182no—
24C4Dic912yescomplemented
25C3C4⋊Dic311yescharacteristic
26C2Dic1811yescharacteristic
27C2D3611yescharacteristic
28C2C2×Dic911yescharacteristic
subgroupG/H
centerC22C2×D9
commutatorC2×C9C2×C4
Frattini, socle, prime radicalC22×C3C2×D3
FittingC2×C4×C9C2
cosocleC22×C9C22
hypercenterC2×C4D9
hypocenterC9C4⋊C4
LCSG ▷ C2×C9 ▷ C9
UCSC1 ◁ C22 ◁ C2×C4

Complements

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

NH ≅ G/Ntype
5. C4×C9C4semidirect
16. C9C4⋊C4semidirect
24. C4Dic9semidirect

Maximal subgroups

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

subgroupindex
C2×C4×C92
C2×Dic92
C4⋊Dic33