Finite Group Databasebeta

← C5×D4 #177

Subgroups — C5×D4 #177

Order 40.

16 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×C5C212yesmaximal, complemented
2C4×C5C211yesmaximal, characteristic, complemented
3C2×C5—22no—
4C2×C5C2211yescharacteristic
5D4C511yesmaximal, characteristic, direct product factor, Sylow
6C5D411yescharacteristic, direct product factor, Sylow
7C22C2×C512yescomplemented
8C4C2×C511yescharacteristic, complemented
9C2—22no—
10C2C22×C511yescharacteristic
subgroupG/H
center, socleC2×C5C22
commutator, Frattini, cosocleC2C22×C5
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C5 ◁ G

Complements

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

NH ≅ G/Ntype
1. C22×C5C2semidirect
2. C4×C5C2semidirect
5. D4C5direct (N × H)
6. C5D4direct (N × H)
7. C22C2×C5semidirect
8. C4C2×C5semidirect

Maximal subgroups

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

subgroupindex
C22×C52
C4×C52
D45