Finite Group Databasebeta

← C8×D21 #66621

Subgroups — C8×D21 #66621

Order 336.

44 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C4×D21C211yesmaximal, characteristic
2C3×C7×C8C211yesmaximal, characteristic, complemented
3C3⋊(C7⋊C8)C211yesmaximal, characteristic, complemented
4C8×D7—31nomaximal, Hall
5C2×D21C411yescharacteristic
6C3×C4×C7C2211yescharacteristic
7Dic21C411yescharacteristic
8C4×D7—31no—
9C7×C8D311yescharacteristic, complemented
10C7⋊C8—31no—
11D3×C8—71nomaximal, Hall
12C2×C3×C7C2×C411yescharacteristic
13D21C812yesdirect product factor
14C2×D7—31no—
15C4×C7C2×D311yescharacteristic
16Dic7—31no—
17C4×D3—71no—
18C3×C8D711yescharacteristic, complemented
19C3⋊C8—71no—
20C3×C7C2×C811yescharacteristic, complemented, Hall
21C2×C8—211noSylow
22C2×C7C4×D311yescharacteristic
23D7—32no—
24C2×D3—71no—
25C3×C4C2×D711yescharacteristic
26Dic3—71no—
27C2×C4—211no—
28C8—211no—
29C8D2111yescharacteristic, direct product factor
30C7D3×C811yescharacteristic, complemented, Sylow
31C2×C3C4×D711yescharacteristic
32D3—72no—
33C22—211no—
34C4—211no—
35C4C2×D2111yescharacteristic
36C3C8×D711yescharacteristic, complemented, Sylow
37C2—212no—
38C2C4×D2111yescharacteristic
subgroupG/H
center, hypercenterC8D21
commutator, hypocenterC3×C7C2×C8
FrattiniC4C2×D21
FittingC3×C7×C8C2
socleC2×C3×C7C2×C4
prime radicalC2×D21C4
cosocleC3×C4×C7C22
LCSG ▷ C3×C7
UCSC1 ◁ C8

Complements

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

NH ≅ G/Ntype
2. C3×C7×C8C2semidirect
3. C3⋊(C7⋊C8)C2semidirect
9. C7×C8D3semidirect
13. D21C8direct (N × H)
18. C3×C8D7semidirect
20. C3×C7C2×C8semidirect
29. C8D21direct (N × H)
30. C7D3×C8semidirect
36. C3C8×D7semidirect

Maximal subgroups

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

subgroupindex
C4×D212
C3×C7×C82
C3⋊(C7⋊C8)2
C8×D73
D3×C87