Finite Group Databasebeta

← C3×C7×D9 #67379

Subgroups — C3×C7×D9 #67379

Order 378.

28 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C3×C7×C9C211yesmaximal, characteristic, complemented, Hall
2C3×D3×C7—31nomaximal
3C7×D9C311yesmaximal, characteristic, direct product factor
4C32×C7D311yescharacteristic
5C7×C9—21no—
6C7×C9C2×C311yescharacteristic, complemented
7C3×D9C711yesmaximal, characteristic, direct product factor, Hall
8C2×C3×C7—91no—
9D3×C7—31no—
10C3×C9C2×C711yescharacteristic, complemented, Sylow
11C3×C7—21no—
12C3×C7D911yescharacteristic, direct product factor
13C3×C7C3×D311yescharacteristic
14C3×D3—31no—
15D9C3×C711yescharacteristic, direct product factor
16C2×C7—91noHall
17C32D3×C711yescharacteristic
18C9—21no—
19C9C2×C3×C711yescharacteristic, complemented
20C7C3×D911yescharacteristic, direct product factor, Sylow
21C2×C3—91no—
22D3—31no—
23C3—21no—
24C3C7×D911yescharacteristic, direct product factor
25C3C3×D3×C711yescharacteristic
26C2—91noSylow
subgroupG/H
center, hypercenterC3×C7D9
commutator, cosocle, hypocenterC9C2×C3×C7
FrattiniC3C3×D3×C7
FittingC3×C7×C9C2
socleC32×C7D3
LCSG ▷ C9
UCSC1 ◁ C3×C7

Complements

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

NH ≅ G/Ntype
1. C3×C7×C9C2semidirect
3. C7×D9C3direct (N × H)
6. C7×C9C2×C3semidirect
7. C3×D9C7direct (N × H)
10. C3×C9C2×C7semidirect
12. C3×C7D9direct (N × H)
15. D9C3×C7direct (N × H)
19. C9C2×C3×C7semidirect
20. C7C3×D9direct (N × H)
24. C3C7×D9direct (N × H)

Maximal subgroups

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

subgroupindex
C3×C7×C92
C3×D3×C73
C7×D93
C3×D97