Finite Group Databasebeta

← C22×Dic1318 #35231359

Subgroups — C22×Dic1318 #35231359

Order 21088.

156 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×Dic1318C2112yesmaximal, direct product factor
2C22×Dic659C212yesmaximal
3C22×C4×C659C211yesmaximal, characteristic
4Dic1318C22116yesdirect product factor
5C2×Dic659C22112yes—
6C23×C659C2211yescharacteristic
7C2×C4×C659C2216yes—
8C22×C659Q814yescomplemented
9C22×C659C2313yes—
10C4×C659C2314yes—
11Dic659C2318yes—
12C2×C659C2×Q816yescomplemented
13C2×C659C2411yescharacteristic
14C659C22×Q811yescharacteristic, complemented, Sylow
15C22×Q8—6591nomaximal, Sylow
16C2×Q8—65912no—
17C22×C4—6592no—
18C22×C4D65911yescharacteristic
19C23C2×D65911yescharacteristic
20Q8—65916no—
21C2×C4—65912no—
22C2×C4C2×D65916yes—
23C22Dic131814yesdirect product factor
24C22C22×D65913yes—
25C4—6598no—
26C4C22×D65914yes—
27C2C2×Dic131816yesdirect product factor
28C2C23×D65911yescharacteristic
subgroupG/H
centerC23C2×D659
commutator, cosocleC2×C659C24
FrattiniC2C23×D659
FittingC22×C4×C659C2
socle, prime radicalC23×C659C22
hypercenterC22×C4D659
hypocenterC659C22×Q8
LCSG ▷ C2×C659 ▷ C659
UCSC1 ◁ C23 ◁ C22×C4

Complements

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

NH ≅ G/Ntype
1. C2×Dic1318C2direct (N × H)
4. Dic1318C22direct (N × H)
8. C22×C659Q8semidirect
12. C2×C659C2×Q8semidirect
14. C659C22×Q8semidirect
23. C22Dic1318direct (N × H)
27. C2C2×Dic1318direct (N × H)

Maximal subgroups

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

subgroupindex
C2×Dic13182
C22×Dic6592
C22×C4×C6592
C22×Q8659