Finite Group Databasebeta

← C9×D40 #10623567

Subgroups — C9×D40 #10623567

Order 720.

66 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C9×D20C212yesmaximal, complemented
2C5×C8×C9C211yesmaximal, characteristic, complemented
3C3×D40C311yesmaximal, characteristic
4C2×C9×D5—22no—
5C4×C5×C9C2211yescharacteristic
6C9×D8—51nomaximal, Hall
7C3×D20C2×C312yes—
8C3×C5×C8C2×C311yescharacteristic
9C2×C5×C9D411yescharacteristic
10C9×D5—42no—
11D40C911yescharacteristic, direct product factor, Hall
12D4×C9—52no—
13C8×C9D511yescharacteristic, complemented
14C2×C3×D5—22no—
15C3×C4×C5C22×C311yescharacteristic
16C3×D8—51no—
17C5×C9D811yescharacteristic, complemented, Hall
18D20C2×C912yescomplemented
19C5×C8C2×C911yescharacteristic, complemented
20C22×C9—102no—
21C4×C9C2×D511yescharacteristic
22C2×C3×C5C3×D411yescharacteristic
23C3×D5—42no—
24C3×D4—52no—
25C3×C8C3×D511yescharacteristic
26C2×D5—22no—
27C4×C5C22×C911yescharacteristic
28C2×C9—202no—
29C2×C9D2011yescharacteristic
30D8—51noSylow
31C3×C5C3×D811yescharacteristic
32C22×C3—102no—
33C3×C4C2×C3×D511yescharacteristic
34C2×C5D4×C911yescharacteristic
35D5—42no—
36C9D4011yescharacteristic, direct product factor, Sylow
37D4—52no—
38C8C9×D511yescharacteristic, complemented
39C2×C3—202no—
40C2×C3C3×D2011yescharacteristic
41C5C9×D811yescharacteristic, complemented, Sylow
42C22—102no—
43C4C2×C9×D511yescharacteristic
44C3C3×D4011yescharacteristic
45C2—202no—
46C2C9×D2011yescharacteristic
subgroupG/H
centerC2×C9D20
commutatorC4×C5C22×C9
FrattiniC3×C4C2×C3×D5
FittingC5×C8×C9C2
socleC2×C3×C5C3×D4
prime radicalC3×D40C3
cosocleC3×C4×C5C22×C3
hypercenterC8×C9D5
hypocenterC5C9×D8
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C2×C9 ◁ C4×C9 ◁ C8×C9

Complements

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

NH ≅ G/Ntype
1. C9×D20C2semidirect
2. C5×C8×C9C2semidirect
11. D40C9direct (N × H)
13. C8×C9D5semidirect
17. C5×C9D8semidirect
18. D20C2×C9semidirect
19. C5×C8C2×C9semidirect
36. C9D40direct (N × H)
38. C8C9×D5semidirect
41. C5C9×D8semidirect

Maximal subgroups

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

subgroupindex
C9×D202
C5×C8×C92
C3×D403
C9×D85