Finite Group Databasebeta

← 2−1+4×D421 #41003672

Subgroups — 2−1+4×D421 #41003672

Order 26944.

794 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1#27212414C215yesmaximal, complemented
2#27212413C2110yesmaximal, complemented
3#41×D421C2110yesmaximal, complemented
4C2×Q8×D421C215yesmaximal, complemented
52−1+4×C421C211yesmaximal, characteristic, complemented
6#20269772C22110yescomplemented
7#20269771C22130yescomplemented
8#20269770C22130yescomplemented
9C2×Dic842C22115yescomplemented
10Q8×D421C22110yes—
11Q8×D421C22120yescomplemented
12D4×D421C22110yes—
13C2×C4×D421C22115yes—
14#41×C421C22110yescomplemented
15C2×Q8×C421C2215yescomplemented
16C22×D421C2315yes—
17Dic842C23130yes—
18D1684C23110yes—
19C22⋊D421C23120yes—
20C2×Dic421C23115yes—
21C4×D421C23110yes—
22C4×D421C23130yes—
23Q8×C421C23110yes—
24D4×C421C23110yes—
25C2×C4×C421C23115yes—
26C22×C421C2415yes—
27C2×D421—210no—
28C2×D421C2415yes—
29C2×D421C2411yescharacteristic
30C4×C421C24110yes—
31Dic421C24110yes—
32C2×C421—25no—
33C2×C421C2511yescharacteristic
34D421—25no—
35D4212−1+412yesdirect product factor
36C421C2×2−1+411yescharacteristic, complemented, Sylow
37C2×2−1+4—4211nomaximal, Sylow
382−1+4—42110no—
392−1+4—4215no—
402−1+4D42111yescharacteristic, direct product factor
41C2×#41—42110no—
42C22×Q8—4215no—
43#41—42110no—
44#41—42130no—
45#41—42130no—
46#41C2×D421110yescomplemented
47C2×Q8—42110no—
48C2×Q8—42120no—
49C2×Q8—42115no—
50C2×Q8C2×D42115yescomplemented
51C2×D4—42110no—
52C22×C4—42115no—
53C23—4215no—
54Q8—42130no—
55Q8C22×D421110yes—
56D4—42120no—
57D4—42110no—
58D4C22×D421110yes—
59C2×C4—42115no—
60C2×C4—42110no—
61C2×C4—42130no—
62C2×C4C22×D421115yes—
63C22—84210no—
64C22—4215no—
65C22—4211no—
66C22C23×D42115yes—
67C4—42110no—
68C4C23×D421110yes—
69C2—25no—
70C2—8425no—
71C2—4212no—
72C2C24×D42111yescharacteristic
subgroupG/H
center, FrattiniC2C24×D421
commutator, socle, cosocleC2×C421C25
Fitting2−1+4×C421C2
hypercenter2−1+4D421
hypocenterC421C2×2−1+4
LCSG ▷ C2×C421 ▷ C421
UCSC1 ◁ C2 ◁ 2−1+4

Complements

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

NH ≅ G/Ntype
1. #27212414C2semidirect
2. #27212413C2semidirect
3. #41×D421C2semidirect
4. C2×Q8×D421C2semidirect
5. 2−1+4×C421C2semidirect
6. #20269772C22semidirect
7. #20269771C22semidirect
8. #20269770C22semidirect
9. C2×Dic842C22semidirect
11. Q8×D421C22semidirect
14. #41×C421C22semidirect
15. C2×Q8×C421C22semidirect
35. D4212−1+4direct (N × H)
36. C421C2×2−1+4semidirect
40. 2−1+4D421direct (N × H)
46. #41C2×D421semidirect
50. C2×Q8C2×D421semidirect

Maximal subgroups

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

subgroupindex
#272124142
#272124132
#41×D4212
C2×Q8×D4212
2−1+4×C4212
C2×2−1+4421