Finite Group Databasebeta

← C4×C9×D7 #92599

Subgroups — C4×C9×D7 #92599

Order 504.

48 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C9×D7C211yesmaximal, characteristic
2C4×C7×C9C211yesmaximal, characteristic, complemented
3C9×Dic7C211yesmaximal, characteristic, complemented
4C3×C4×D7C311yesmaximal, characteristic
5C2×C7×C9C2211yescharacteristic
6C9×D7C412yesdirect product factor
7C2×C3×D7C2×C311yescharacteristic
8C3×C4×C7C2×C311yescharacteristic
9C3×Dic7C2×C311yescharacteristic
10C2×C4×C9—71nomaximal, Hall
11C7×C9C2×C411yescharacteristic, complemented, Hall
12C4×D7C911yescharacteristic, direct product factor, Hall
13C2×C3×C7C22×C311yescharacteristic
14C3×D7C3×C412yes—
15C22×C9—71no—
16C4×C9—71no—
17C4×C9D711yescharacteristic, direct product factor
18C2×D7C2×C911yescharacteristic
19C4×C7C2×C911yescharacteristic, complemented
20Dic7C2×C911yescharacteristic, complemented
21C2×C3×C4—71no—
22C3×C7C2×C3×C411yescharacteristic
23C2×C9—72no—
24C2×C9C2×D711yescharacteristic
25C2×C7C22×C911yescharacteristic
26D7C4×C912yesdirect product factor
27C22×C3—71no—
28C3×C4—71no—
29C3×C4C3×D711yescharacteristic
30C9C4×D711yescharacteristic, direct product factor, Sylow
31C2×C4—71noSylow
32C7C2×C4×C911yescharacteristic, complemented, Sylow
33C2×C3—72no—
34C2×C3C2×C3×D711yescharacteristic
35C22—71no—
36C4—71no—
37C4C9×D711yescharacteristic, direct product factor
38C3C3×C4×D711yescharacteristic
39C2—72no—
40C2C2×C9×D711yescharacteristic
subgroupG/H
center, hypercenterC4×C9D7
commutator, hypocenterC7C2×C4×C9
FrattiniC2×C3C2×C3×D7
FittingC4×C7×C9C2
socle, cosocleC2×C3×C7C22×C3
prime radicalC2×C3×D7C2×C3
LCSG ▷ C7
UCSC1 ◁ C4×C9

Complements

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

NH ≅ G/Ntype
2. C4×C7×C9C2semidirect
3. C9×Dic7C2semidirect
6. C9×D7C4direct (N × H)
11. C7×C9C2×C4semidirect
12. C4×D7C9direct (N × H)
17. C4×C9D7direct (N × H)
19. C4×C7C2×C9semidirect
20. Dic7C2×C9semidirect
26. D7C4×C9direct (N × H)
30. C9C4×D7direct (N × H)
32. C7C2×C4×C9semidirect
37. C4C9×D7direct (N × H)

Maximal subgroups

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

subgroupindex
C2×C9×D72
C4×C7×C92
C9×Dic72
C3×C4×D73
C2×C4×C97