Finite Group Databasebeta

← Q8×Dic991 #44540417

Subgroups — Q8×Dic991 #44540417

Order 31712.

70 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C4⋊Dic991C213yesmaximal
2C4×Dic991C213yesmaximal
3C2×Q8×C991C211yesmaximal, characteristic
4C2×Dic991C2213yes—
5C2×Dic991C2211yescharacteristic
6Q8×C991C414yescomplemented
7C2×C4×C991C2213yes—
8C22×C991C2311yescharacteristic
9C4×C991C2×C416yes—
10Dic991—23no—
11Dic991Q812yesdirect product factor
12C2×C991C22×C411yescharacteristic
13C2×C991C2×Q811yescharacteristic
14C2×C991#4111yescharacteristic
15C991C4×Q811yescharacteristic, complemented, Sylow
16C4×Q8—9911nomaximal, Sylow
17C2×Q8D99111yescharacteristic
18C4⋊C4—9913no—
19C42—9913no—
20Q8Dic99114yesdirect product factor
21C2×C4—9913no—
22C2×C4—9911no—
23C2×C4C2×D99113yes—
24C22C22×D99111yescharacteristic
25C4—19823no—
26C4—9912no—
27C4C2×Dic99116yes—
28C2C22×Dic99111yescharacteristic
29C2Q8×D99111yescharacteristic
30C2#3062939311yescharacteristic
subgroupG/H
center, FrattiniC22C22×D991
commutatorC2×C991C22×C4
FittingC2×Q8×C991C2
socle, prime radical, cosocleC22×C991C23
hypercenterC2×Q8D991
hypocenterC991C4×Q8
LCSG ▷ C2×C991 ▷ C991
UCSC1 ◁ C22 ◁ C2×Q8

Complements

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

NH ≅ G/Ntype
6. Q8×C991C4semidirect
11. Dic991Q8direct (N × H)
15. C991C4×Q8semidirect
20. Q8Dic991direct (N × H)

Maximal subgroups

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

subgroupindex
C4⋊Dic9912
C4×Dic9912
C2×Q8×C9912
C4×Q8991