Finite Group Databasebeta

← Q8×D21 #66731

Subgroups — Q8×D21 #66731

Order 336.

76 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C3×C7×Q8C211yesmaximal, characteristic, complemented
2C4×D21C213yesmaximal
3Dic42C213yesmaximal, complemented
4Q8×D7—31nomaximal, Hall
5C2×D21C2211yescharacteristic
6C3×C4×C7C2213yes—
7Dic21C2213yes—
8C7×Q8D311yescharacteristic, complemented
9C4×D7—33no—
10Dic14—33no—
11D3×Q8—71nomaximal, Hall
12C2×C3×C7C2311yescharacteristic
13D21Q812yesdirect product factor
14C2×D7—31no—
15C4×C7C2×D313yes—
16Dic7—33no—
17C3×Q8D711yescharacteristic, complemented
18C4×D3—73no—
19Dic6—73no—
20C3×C7C2×Q811yescharacteristic, complemented, Hall
21C2×Q8—211noSylow
22C2×C7C22×D311yescharacteristic
23D7—32no—
24C2×D3—71no—
25C3×C4C2×D713yes—
26Dic3—73no—
27Q8—213no—
28Q8D2111yescharacteristic, direct product factor
29C2×C4—213no—
30C7D3×Q811yescharacteristic, complemented, Sylow
31C2×C3C22×D711yescharacteristic
32D3—72no—
33C22—211no—
34C4—213no—
35C4C2×D2113yes—
36C3Q8×D711yescharacteristic, complemented, Sylow
37C2—212no—
38C2C22×D2111yescharacteristic
subgroupG/H
center, FrattiniC2C22×D21
commutator, socle, cosocleC2×C3×C7C23
FittingC3×C7×Q8C2
prime radicalC2×D21C22
hypercenterQ8D21
hypocenterC3×C7C2×Q8
LCSG ▷ C2×C3×C7 ▷ C3×C7
UCSC1 ◁ C2 ◁ Q8

Complements

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

NH ≅ G/Ntype
1. C3×C7×Q8C2semidirect
3. Dic42C2semidirect
8. C7×Q8D3semidirect
13. D21Q8direct (N × H)
17. C3×Q8D7semidirect
20. C3×C7C2×Q8semidirect
28. Q8D21direct (N × H)
30. C7D3×Q8semidirect
36. C3Q8×D7semidirect

Maximal subgroups

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

subgroupindex
C3×C7×Q82
C4×D212
Dic422
Q8×D73
D3×Q87