Finite Group Databasebeta

← C2×C8×D821 #39911249

Subgroups — C2×C8×D821 #39911249

Order 26272.

76 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C4×D821C211yesmaximal, characteristic
2C2×#20267100C211yesmaximal, characteristic, complemented
3C8×D821C214yesmaximal, direct product factor
4C2×C8×C821C211yesmaximal, characteristic, complemented
5C22×D821C411yescharacteristic
6C2×Dic821C411yescharacteristic
7C4×D821C412yes—
8C4×D821C2212yes—
9#20267100C2212yescomplemented
10C2×C4×C821C2211yescharacteristic
11C8×C821C2212yescomplemented
12C22×C821C2×C411yescharacteristic
13C2×D821C814yesdirect product factor
14C2×D821C2×C412yes—
15C4×C821C2×C411yescharacteristic
16C4×C821C2311yescharacteristic
17Dic821C2×C412yes—
18C2×C821C2×C812yescomplemented
19C2×C821C22×C411yescharacteristic
20D821C2×C814yesdirect product factor
21C821C22×C811yescharacteristic, complemented, Sylow
22C22×C8—8211nomaximal, Sylow
23C22×C4—8211no—
24C2×C8—8211no—
25C2×C8—8214no—
26C2×C8D82111yescharacteristic, direct product factor
27C23—8211no—
28C2×C4—8211no—
29C2×C4—8212no—
30C2×C4—8212no—
31C2×C4C2×D82111yescharacteristic
32C8—8212no—
33C8C2×D82112yesdirect product factor
34C22—8214no—
35C22—8212no—
36C22C4×D82111yescharacteristic
37C4—8212no—
38C4C4×D82111yescharacteristic
39C4C22×D82111yescharacteristic
40C2—8214no—
41C2C8×D82112yesdirect product factor
42C2C2×C4×D82111yescharacteristic
subgroupG/H
center, hypercenterC2×C8D821
commutator, hypocenterC821C22×C8
FrattiniC4C22×D821
FittingC2×C8×C821C2
socleC22×C821C2×C4
prime radicalC22×D821C4
cosocleC4×C821C23
LCSG ▷ C821
UCSC1 ◁ C2×C8

Complements

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

NH ≅ G/Ntype
2. C2×#20267100C2semidirect
3. C8×D821C2direct (N × H)
4. C2×C8×C821C2semidirect
9. #20267100C22semidirect
11. C8×C821C22semidirect
13. C2×D821C8direct (N × H)
18. C2×C821C2×C8semidirect
20. D821C2×C8direct (N × H)
21. C821C22×C8semidirect
26. C2×C8D821direct (N × H)
33. C8C2×D821direct (N × H)
41. C2C8×D821direct (N × H)

Maximal subgroups

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

subgroupindex
C2×C4×D8212
C2×#202671002
C8×D8212
C2×C8×C8212
C22×C8821