Finite Group Databasebeta

← C2×C9⋊C9 #4189

Subgroups — C2×C9⋊C9 #4189

Order 162.

34 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C9⋊C9C211yesmaximal, characteristic, direct product factor, Sylow
2C2×C3×C9C313yesmaximal
3C2×C3×C9C311yesmaximal, characteristic
4C3×C9C2×C313yes—
5C3×C9C2×C311yescharacteristic
6C2×C32C3211yescharacteristic
7C2×C9—33no—
8C2×C9C913yescomplemented
9C32C2×C3211yescharacteristic
10C9—33no—
11C9C2×C913yescomplemented
12C2×C3C3×C911yescharacteristic
13C2×C33−1+213yes—
14C3C2×C3×C911yescharacteristic
15C3C2×3−1+213yes—
16C2C9⋊C911yescharacteristic, direct product factor, Sylow
subgroupG/H
center, socle, prime radicalC2×C32C32
commutatorC3C2×C3×C9
Frattini, cosocleC32C2×C32
LCSG ▷ C3 ▷ C1
UCSC1 ◁ C2×C32 ◁ G

Complements

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

NH ≅ G/Ntype
1. C9⋊C9C2direct (N × H)
8. C2×C9C9semidirect
11. C9C2×C9semidirect
16. C2C9⋊C9direct (N × H)

Maximal subgroups

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

subgroupindex
C9⋊C92
C2×C3×C93