Finite Group Databasebeta

← 2−1+4×D491 #44537557

Subgroups — 2−1+4×D491 #44537557

Order 31424.

794 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1#30628385C215yesmaximal, complemented
2#30628384C2110yesmaximal, complemented
3#41×D491C2110yesmaximal, complemented
4C2×Q8×D491C215yesmaximal, complemented
52−1+4×C491C211yesmaximal, characteristic, complemented
6#21463329C22110yescomplemented
7#21463328C22130yescomplemented
8#21463327C22130yescomplemented
9C2×Dic982C22115yescomplemented
10Q8×D491C22110yes—
11Q8×D491C22120yescomplemented
12D4×D491C22110yes—
13C2×C4×D491C22115yes—
14#41×C491C22110yescomplemented
15C2×Q8×C491C2215yescomplemented
16C22×D491C2315yes—
17Dic982C23130yes—
18D1964C23110yes—
19C22⋊D491C23120yes—
20C2×Dic491C23115yes—
21C4×D491C23110yes—
22C4×D491C23130yes—
23Q8×C491C23110yes—
24D4×C491C23110yes—
25C2×C4×C491C23115yes—
26C22×C491C2415yes—
27C2×D491—210no—
28C2×D491C2415yes—
29C2×D491C2411yescharacteristic
30C4×C491C24110yes—
31Dic491C24110yes—
32C2×C491—25no—
33C2×C491C2511yescharacteristic
34D491—25no—
35D4912−1+412yesdirect product factor
36C491C2×2−1+411yescharacteristic, complemented, Sylow
37C2×2−1+4—4911nomaximal, Sylow
382−1+4—49110no—
392−1+4—4915no—
402−1+4D49111yescharacteristic, direct product factor
41C2×#41—49110no—
42C22×Q8—4915no—
43#41—49110no—
44#41—49130no—
45#41—49130no—
46#41C2×D491110yescomplemented
47C2×Q8—49110no—
48C2×Q8—49120no—
49C2×Q8—49115no—
50C2×Q8C2×D49115yescomplemented
51C2×D4—49110no—
52C22×C4—49115no—
53C23—4915no—
54Q8—49130no—
55Q8C22×D491110yes—
56D4—49120no—
57D4—49110no—
58D4C22×D491110yes—
59C2×C4—49115no—
60C2×C4—49110no—
61C2×C4—49130no—
62C2×C4C22×D491115yes—
63C22—98210no—
64C22—4915no—
65C22—4911no—
66C22C23×D49115yes—
67C4—49110no—
68C4C23×D491110yes—
69C2—25no—
70C2—9825no—
71C2—4912no—
72C2C24×D49111yescharacteristic
subgroupG/H
center, FrattiniC2C24×D491
commutator, socle, cosocleC2×C491C25
Fitting2−1+4×C491C2
hypercenter2−1+4D491
hypocenterC491C2×2−1+4
LCSG ▷ C2×C491 ▷ C491
UCSC1 ◁ C2 ◁ 2−1+4

Complements

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

NH ≅ G/Ntype
1. #30628385C2semidirect
2. #30628384C2semidirect
3. #41×D491C2semidirect
4. C2×Q8×D491C2semidirect
5. 2−1+4×C491C2semidirect
6. #21463329C22semidirect
7. #21463328C22semidirect
8. #21463327C22semidirect
9. C2×Dic982C22semidirect
11. Q8×D491C22semidirect
14. #41×C491C22semidirect
15. C2×Q8×C491C22semidirect
35. D4912−1+4direct (N × H)
36. C491C2×2−1+4semidirect
40. 2−1+4D491direct (N × H)
46. #41C2×D491semidirect
50. C2×Q8C2×D491semidirect

Maximal subgroups

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

subgroupindex
#306283852
#306283842
#41×D4912
C2×Q8×D4912
2−1+4×C4912
C2×2−1+4491