Finite Group Databasebeta

← C2×C5×Dic9 #67093

Subgroups — C2×C5×Dic9 #67093

Order 360.

48 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×C5×C9C211yesmaximal, characteristic
2C5×Dic9C212yesmaximal, direct product factor
3C2×C5×Dic3—31nomaximal
4C2×C5×C9C412yescomplemented
5C2×C5×C9C2211yescharacteristic
6C2×Dic9C511yesmaximal, characteristic, direct product factor, Hall
7C22×C3×C5D311yescharacteristic
8C5×Dic3—32no—
9C5×C9C2×C411yescharacteristic, complemented, Hall
10C2×C4×C5—91noHall
11C22×C9C2×C511yescharacteristic
12Dic9C2×C512yesdirect product factor
13C2×C3×C5Dic312yes—
14C2×C3×C5C2×D311yescharacteristic
15C2×Dic3—31no—
16C22×C5D911yescharacteristic
17C4×C5—92no—
18C2×C9C4×C512yescomplemented
19C2×C9C22×C511yescharacteristic
20C3×C5C2×Dic311yescharacteristic
21C22×C3C5×D311yescharacteristic
22Dic3—32no—
23C2×C5Dic912yesdirect product factor
24C2×C5C2×D911yescharacteristic
25C9C2×C4×C511yescharacteristic, complemented, Sylow
26C2×C4—91noSylow
27C2×C3C5×Dic312yes—
28C2×C3C2×C5×D311yescharacteristic
29C5C2×Dic911yescharacteristic, direct product factor, Sylow
30C22C5×D911yescharacteristic
31C4—92no—
32C3C2×C5×Dic311yescharacteristic
33C2C5×Dic912yesdirect product factor
34C2C2×C5×D911yescharacteristic
subgroupG/H
center, hypercenterC22×C5D9
commutator, hypocenterC9C2×C4×C5
FrattiniC2×C3C2×C5×D3
FittingC22×C5×C9C2
socle, prime radicalC22×C3×C5D3
cosocleC2×C9C22×C5
LCSG ▷ C9
UCSC1 ◁ C22×C5

Complements

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

NH ≅ G/Ntype
2. C5×Dic9C2direct (N × H)
4. C2×C5×C9C4semidirect
6. C2×Dic9C5direct (N × H)
9. C5×C9C2×C4semidirect
12. Dic9C2×C5direct (N × H)
18. C2×C9C4×C5semidirect
23. C2×C5Dic9direct (N × H)
25. C9C2×C4×C5semidirect
29. C5C2×Dic9direct (N × H)
33. C2C5×Dic9direct (N × H)

Maximal subgroups

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

subgroupindex
C22×C5×C92
C5×Dic92
C2×C5×Dic33
C2×Dic95