Finite Group Databasebeta

← Q8×D8 #3378

Subgroups — Q8×D8 #3378

Order 128.

202 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1D4×Q8C212yesmaximal, complemented
2#500C213yesmaximal, complemented
3#474C216yesmaximal, complemented
4C8×Q8C211yesmaximal, characteristic, complemented
5C4×D8C213yesmaximal
6C22×Q8—22no—
7C2×D8C2211yescharacteristic
8C4⋊Q8C2216yes—
9C22⋊Q8—26no—
10C4×Q8C2211yescharacteristic
11C4×D4C2216yes—
12#107C2213yes—
13#107C2216yes—
14C4⋊C8C2213yes—
15#102C2216yes—
16C4×C8C2213yes—
17C2×Q8—26no—
18C2×Q8—48no—
19C2×Q8D411yescharacteristic
20C2×D4C2312yes—
21C22×C4—26no—
22D8Q814yesdirect product factor
23C2×C8C2313yes—
24C2×C8C2311yescharacteristic
25C4⋊C4—26no—
26C4⋊C4D413yes—
27C4⋊C4C2316yes—
28C22⋊C4—26no—
29C42C2313yes—
30C23—22no—
31Q8—412no—
32Q8D814yesdirect product factor
33D4—22no—
34D4C2×Q814yescomplemented
35C2×C4—26no—
36C2×C4—412no—
37C2×C4C2×D413yes—
38C2×C4C2×D413yes—
39C2×C4C2411yescharacteristic
40C8—23no—
41C8C2×Q812yescomplemented
42C22—24no—
43C22—42no—
44C22—42no—
45C22C22×D411yescharacteristic
46C4—23no—
47C4—46no—
48C4C2×D816yes—
49C4C22×Q811yescharacteristic
50C42−1+411yescharacteristic
51C2—44no—
52C2D4×Q811yescharacteristic
53C2C22×D811yescharacteristic
54C2#57811yescharacteristic
subgroupG/H
center, socleC22C22×D4
commutator, Frattini, cosocleC2×C4C24
prime radicalC2×D8C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C4×Q8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
1. D4×Q8C2semidirect
2. #500C2semidirect
3. #474C2semidirect
4. C8×Q8C2semidirect
22. D8Q8direct (N × H)
32. Q8D8direct (N × H)
34. D4C2×Q8semidirect
41. C8C2×Q8semidirect

Maximal subgroups

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

subgroupindex
D4×Q82
#5002
#4742
C8×Q82
C4×D82