Finite Group Databasebeta

← C9×Dic469 #30683039

Subgroups — C9×Dic469 #30683039

Order 16884.

36 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C7×C9×C67C211yesmaximal, characteristic
2C3×Dic469C311yesmaximal, characteristic
3C7×C9×C67C411yescharacteristic, complemented, Hall
4C2×C3×C7×C67C2×C311yescharacteristic
5C9×Dic67—71nomaximal, Hall
6Dic469C911yescharacteristic, direct product factor, Hall
7C3×C7×C67C3×C411yescharacteristic
8C2×C9×C67D711yescharacteristic
9C2×C7×C67C2×C911yescharacteristic
10C3×Dic67—71no—
11C9×C67Dic711yescharacteristic, complemented, Hall
12C7×C67C4×C911yescharacteristic, complemented, Hall
13C2×C3×C67C3×D711yescharacteristic
14Dic67—71noHall
15C9×Dic7—671nomaximal, Hall
16C3×C67C3×Dic711yescharacteristic
17C2×C67C9×D711yescharacteristic
18C2×C7×C9D6711yescharacteristic
19C3×Dic7—671no—
20C67C9×Dic711yescharacteristic, complemented, Sylow
21C7×C9Dic6711yescharacteristic, complemented, Hall
22C2×C3×C7C3×D6711yescharacteristic
23C4×C9—4691noHall
24Dic7—671noHall
25C3×C7C3×Dic6711yescharacteristic
26C2×C9D46911yescharacteristic
27C2×C7C9×D6711yescharacteristic
28C3×C4—4691no—
29C9Dic46911yescharacteristic, direct product factor, Sylow
30C7C9×Dic6711yescharacteristic, complemented, Sylow
31C2×C3C3×D46911yescharacteristic
32C4—4691noSylow
33C3C3×Dic46911yescharacteristic
34C2C9×D46911yescharacteristic
subgroupG/H
center, hypercenterC2×C9D469
commutator, hypocenterC7×C67C4×C9
FrattiniC2×C3C3×D469
FittingC2×C7×C9×C67C2
socle, prime radical, cosocleC2×C3×C7×C67C2×C3
LCSG ▷ C7×C67
UCSC1 ◁ C2×C9

Complements

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

NH ≅ G/Ntype
3. C7×C9×C67C4semidirect
6. Dic469C9direct (N × H)
11. C9×C67Dic7semidirect
12. C7×C67C4×C9semidirect
20. C67C9×Dic7semidirect
21. C7×C9Dic67semidirect
29. C9Dic469direct (N × H)
30. C7C9×Dic67semidirect

Maximal subgroups

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

subgroupindex
C2×C7×C9×C672
C3×Dic4693
C9×Dic677
C9×Dic767