Finite Group Databasebeta

← D4×Dic10 #65871

Subgroups — D4×Dic10 #65871

Order 320.

280 conjugacy classes of subgroups; only the 123 normal subgroups are shown.

normal subgroups only

This group has 280 conjugacy classes of subgroups — too many to draw. Only its 123 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×Dic10C212yesmaximal, complemented
2C4×C5×D4C211yesmaximal, characteristic
3D4×Dic5C212yesmaximal
4#4070C212yesmaximal, complemented
5#4034C212yesmaximal, complemented
6#4024C214yesmaximal, complemented
7#4015C211yesmaximal, characteristic, complemented
8C4×Dic10C211yesmaximal, characteristic, complemented
9C2×C5×D4C2211yescharacteristic
10C22×C4×C5C2212yes—
11C22×Dic5C2214yes—
12C2×Dic10—28no—
13C2×Dic10C2212yes—
14C2×Dic10C2214yes—
15C2×Dic10C2211yescharacteristic
16C5×C4⋊C4C2211yescharacteristic
17C5×C22⋊C4C2212yes—
18C42×C5C2211yescharacteristic
19C22⋊Dic5C2214yes—
20C4⋊Dic5C2211yescharacteristic
21C4⋊Dic5C2212yes—
22C4⋊Dic5C2212yes—
23#683C2212yes—
24#683C2214yes—
25C4×Dic5C2212yes—
26D4×Q8—51nomaximal, Sylow
27C23×C5C2312yes—
28C5×D4Q814yescomplemented
29C2×C4×C5—24no—
30C2×C4×C5C2311yescharacteristic
31C2×C4×C5C2312yes—
32C2×C4×C5C2311yescharacteristic
33C2×C4×C5C2311yescharacteristic
34C2×Dic5—28no—
35C2×Dic5C2312yes—
36C2×Dic5C2314yes—
37C2×Dic5C2312yes—
38Dic10—24no—
39Dic10—28no—
40Dic10D414yesdirect product factor
41C22×Q8—52no—
42C4⋊Q8—52no—
43C4⋊Q8—51no—
44C22⋊Q8—52no—
45C22⋊Q8—54no—
46C4×Q8—51no—
47C4×D4—52no—
48C4×D4D511yescharacteristic
49C22×C5—22no—
50C22×C5—22no—
51C22×C5C2×Q814yescomplemented
52C22×C5C2411yescharacteristic
53C4×C5—22no—
54C4×C5—21no—
55C4×C5C2×D412yes—
56C4×C5C2×Q812yescomplemented
57Dic5—24no—
58Dic5—22no—
59Dic5C2×D414yes—
60C2×Q8—51no—
61C2×Q8—54no—
62C2×Q8—52no—
63C2×Q8—108no—
64C2×D4C2×D511yescharacteristic
65C22×C4—54no—
66C22×C4C2×D512yes—
67C4⋊C4—52no—
68C4⋊C4—52no—
69C4⋊C4—51no—
70C4⋊C4—54no—
71C4⋊C4—52no—
72C4⋊C4C2×D511yescharacteristic
73C22⋊C4—54no—
74C22⋊C4C2×D512yes—
75C42—52no—
76C42C2×D511yescharacteristic
77C2×C5—24no—
78C2×C5C22×D411yescharacteristic
79C2×C5C22×Q811yescharacteristic
80C2×C52−1+411yescharacteristic
81C23C22×D512yes—
82Q8—54no—
83Q8—108no—
84Q8—104no—
85D4Dic1014yesdirect product factor
86C2×C4—24no—
87C2×C4—52no—
88C2×C4—52no—
89C2×C4—54no—
90C2×C4—108no—
91C2×C4C22×D511yescharacteristic
92C2×C4C22×D512yes—
93C2×C4C22×D511yescharacteristic
94C2×C4C22×D511yescharacteristic
95C5D4×Q811yescharacteristic, complemented, Sylow
96C22—22no—
97C22—22no—
98C22C2×Dic1014yescomplemented
99C22C23×D511yescharacteristic
100C4—22no—
101C4—21no—
102C4—54no—
103C4—104no—
104C4—102no—
105C4C2×Dic1012yescomplemented
106C4D4×D512yes—
107C2—24no—
108C2C22×Dic1011yescharacteristic
109C2C2×D4×D511yescharacteristic
110C2#415011yescharacteristic
subgroupG/H
center, FrattiniC22C23×D5
commutator, socle, cosocleC22×C5C24
FittingC4×C5×D4C2
prime radicalC2×C5×D4C22
hypercenterC4×D4D5
hypocenterC5D4×Q8
LCSG ▷ C22×C5 ▷ C5
UCSC1 ◁ C22 ◁ C4×D4

Complements

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

NH ≅ G/Ntype
1. C22×Dic10C2semidirect
4. #4070C2semidirect
5. #4034C2semidirect
6. #4024C2semidirect
7. #4015C2semidirect
8. C4×Dic10C2semidirect
28. C5×D4Q8semidirect
40. Dic10D4direct (N × H)
51. C22×C5C2×Q8semidirect
56. C4×C5C2×Q8semidirect
85. D4Dic10direct (N × H)
95. C5D4×Q8semidirect
98. C22C2×Dic10semidirect
105. C4C2×Dic10semidirect

Maximal subgroups

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

subgroupindex
C22×Dic102
C4×C5×D42
D4×Dic52
#40702
#40342
#40242
#40152
C4×Dic102
D4×Q85