Finite Group Databasebeta

← C9×A4 #1091

Subgroups — C9×A4 #1091

Order 108.

23 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C3×A4C311yesmaximal, characteristic
2C22×C9C311yesmaximal, characteristic, complemented
3C22⋊C9C312yesmaximal, complemented
4C3×C9—41nomaximal, Sylow
5C2×C9—31no—
6C22×C3C3211yescharacteristic
7A4C913yesdirect product factor
8C32—41no—
9C9—42no—
10C9A411yescharacteristic, direct product factor
11C2×C3—31no—
12C22C3×C911yescharacteristic, complemented, Sylow
13C3—43no—
14C3C3×A411yescharacteristic
15C2—31no—
subgroupG/H
center, hypercenterC9A4
commutator, hypocenterC22C3×C9
FrattiniC3C3×A4
FittingC22×C9C3
socle, cosocleC22×C3C32
prime radicalC3×A4C3
LCSG ▷ C22
UCSC1 ◁ C9

Complements

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

NH ≅ G/Ntype
2. C22×C9C3semidirect
3. C22⋊C9C3semidirect
7. A4C9direct (N × H)
10. C9A4direct (N × H)
12. C22C3×C9semidirect

Maximal subgroups

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

subgroupindex
C3×A43
C22×C93
C22⋊C93
C3×C94