Finite Group Databasebeta

← C2×C4×Dic619 #34090302

Subgroups — C2×C4×Dic619 #34090302

Order 19808.

108 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×Dic619C212yesmaximal
2C4×Dic619C214yesmaximal, direct product factor
3C22×C4×C619C211yesmaximal, characteristic
4C2×Dic619C418yesdirect product factor
5C2×Dic619C2214yes—
6C23×C619C2211yescharacteristic
7C2×C4×C619C414yescomplemented
8C2×C4×C619C2212yes—
9C22×C619C2×C414yes—
10C22×C619C2×C412yes—
11C22×C619C2311yescharacteristic
12C4×C619C2×C414yescomplemented
13Dic619C2×C418yesdirect product factor
14C2×C619C4214yescomplemented
15C2×C619C22×C412yes—
16C2×C619C22×C411yescharacteristic
17C619C2×C4211yescharacteristic, complemented, Sylow
18C2×C42—6191nomaximal, Sylow
19C22×C4—6192no—
20C22×C4D61911yescharacteristic
21C42—6194no—
22C23C2×D61911yescharacteristic
23C2×C4—6198no—
24C2×C4—6194no—
25C2×C4Dic61914yesdirect product factor
26C2×C4C2×D61912yes—
27C22C4×D61914yes—
28C22C2×Dic61912yes—
29C22C22×D61911yescharacteristic
30C4—6198no—
31C4C2×Dic61914yesdirect product factor
32C2C4×Dic61914yesdirect product factor
33C2C2×C4×D61912yes—
34C2C22×Dic61911yescharacteristic
subgroupG/H
center, hypercenterC22×C4D619
commutator, hypocenterC619C2×C42
FrattiniC22C22×D619
FittingC22×C4×C619C2
socle, prime radicalC23×C619C22
cosocleC22×C619C23
LCSG ▷ C619
UCSC1 ◁ C22×C4

Complements

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

NH ≅ G/Ntype
2. C4×Dic619C2direct (N × H)
4. C2×Dic619C4direct (N × H)
7. C2×C4×C619C4semidirect
12. C4×C619C2×C4semidirect
13. Dic619C2×C4direct (N × H)
14. C2×C619C42semidirect
17. C619C2×C42semidirect
25. C2×C4Dic619direct (N × H)
31. C4C2×Dic619direct (N × H)
32. C2C4×Dic619direct (N × H)

Maximal subgroups

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

subgroupindex
C22×Dic6192
C4×Dic6192
C22×C4×C6192
C2×C42619