Finite Group Databasebeta

← D15⋊D7 #88305

Subgroups — D15⋊D7 #88305

Order 420.

40 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C7×D15C211yesmaximal, characteristic, complemented
2C5×D21C211yesmaximal, characteristic, complemented
3C3×D35C211yesmaximal, characteristic, complemented
4D5×D7—31nomaximal, Hall
5C3×C5×C7C2211yescharacteristic, complemented, Hall
6D3×D7—51nomaximal, Hall
7D35D311yescharacteristic, complemented
8C5×D7—31no—
9C7×D5—31no—
10D3×D5—71nomaximal, Hall
11D21D511yescharacteristic, complemented
12C3×D7—51no—
13D3×C7—51no—
14C5×C7C2×D311yescharacteristic, complemented, Hall
15D15D711yescharacteristic, complemented
16C3×D5—71no—
17C5×D3—71no—
18C2×D7—151noHall
19C3×C7C2×D511yescharacteristic, complemented, Hall
20C2×D5—211noHall
21C3×C5C2×D711yescharacteristic, complemented, Hall
22C2×C7—151no—
23D7—31no—
24D7—51no—
25C2×D3—351noHall
26C2×C5—211no—
27D5—31no—
28D5—71no—
29C7D3×D511yescharacteristic, complemented, Sylow
30C2×C3—351no—
31D3—51no—
32D3—71no—
33C5D3×D711yescharacteristic, complemented, Sylow
34C22—1051noSylow
35C3D5×D711yescharacteristic, complemented, Sylow
36C2—151no—
37C2—211no—
38C2—351no—
subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C5×C7C22
LCSG ▷ C3×C5×C7
UCSC1

Complements

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

NH ≅ G/Ntype
1. C7×D15C2semidirect
2. C5×D21C2semidirect
3. C3×D35C2semidirect
5. C3×C5×C7C22semidirect
7. D35D3semidirect
11. D21D5semidirect
14. C5×C7C2×D3semidirect
15. D15D7semidirect
19. C3×C7C2×D5semidirect
21. C3×C5C2×D7semidirect
29. C7D3×D5semidirect
33. C5D3×D7semidirect
35. C3D5×D7semidirect

Maximal subgroups

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

subgroupindex
C7×D152
C5×D212
C3×D352
D5×D73
D3×D75
D3×D57