Finite Group Databasebeta

← D4×D5 #710

Subgroups — D4×D5 #710

Order 80.

54 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×D5C212yesmaximal, complemented
2C5×D4C211yesmaximal, characteristic, complemented
3C22⋊D5C212yesmaximal, complemented
4D20C211yesmaximal, characteristic, complemented
5C4×D5C211yesmaximal, characteristic, complemented
6C22×C5C2212yescomplemented
7C2×D5—24no—
8C2×D5C2211yescharacteristic
9C2×D5C2212yescomplemented
10C4×C5C2211yescharacteristic, complemented
11Dic5C2211yescharacteristic, complemented
12C2×D4—51nomaximal, Sylow
13C2×C5—22no—
14C2×C5C2311yescharacteristic
15D5—22no—
16D5D412yesdirect product factor
17C23—52no—
18D4—52no—
19D4—51no—
20D4D511yescharacteristic, direct product factor
21C2×C4—51no—
22C5C2×D411yescharacteristic, complemented, Sylow
23C22—51no—
24C22—52no—
25C22—104no—
26C22C2×D512yescomplemented
27C4—51no—
28C4C2×D511yescharacteristic, complemented
29C2—22no—
30C2—52no—
31C2—102no—
32C2C22×D511yescharacteristic
subgroupG/H
center, FrattiniC2C22×D5
commutator, socle, cosocleC2×C5C23
FittingC5×D4C2
hypercenterD4D5
hypocenterC5C2×D4
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C2 ◁ D4

Complements

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

NH ≅ G/Ntype
1. C22×D5C2semidirect
2. C5×D4C2semidirect
3. C22⋊D5C2semidirect
4. D20C2semidirect
5. C4×D5C2semidirect
6. C22×C5C22semidirect
9. C2×D5C22semidirect
10. C4×C5C22semidirect
11. Dic5C22semidirect
16. D5D4direct (N × H)
20. D4D5direct (N × H)
22. C5C2×D4semidirect
26. C22C2×D5semidirect
28. C4C2×D5semidirect

Maximal subgroups

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

subgroupindex
C22×D52
C5×D42
C22⋊D52
D202
C4×D52
C2×D45