Finite Group Databasebeta

← 2−1+4×Dic197 #38755925

Subgroups — 2−1+4×Dic197 #38755925

Order 25216.

1492 conjugacy classes of subgroups; only the 1063 normal subgroups are shown.

normal subgroups only

This group has 1492 conjugacy classes of subgroups — too many to draw. Only its 1063 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
1#27161562C2110yesmaximal, complemented
2#27161557C215yesmaximal, complemented
3#41×Dic197C2110yesmaximal, complemented
4C2×Q8×Dic197C215yesmaximal, complemented
5C2×2−1+4×C197C211yesmaximal, characteristic
6Q8×Dic197C22110yes—
7Q8×Dic197C22120yes—
8Q8×Dic197C22110yes—
9D4×Dic197C22110yes—
10D4×Dic197C22130yes—
11#20263285C22130yes—
12C2×C4⋊Dic197C22115yes—
13C2×C4×Dic197C22115yes—
142−1+4×C197C4116yescomplemented
15C2×#41×C197C22110yes—
16C22×Q8×C197C2215yes—
17C22×Dic197C2315yes—
18C22×Dic197C23115yes—
19C4⋊Dic197C23130yes—
20C4⋊Dic197C23110yes—
21C22⋊Dic197C23120yes—
22C4×Dic197C23110yes—
23C4×Dic197C23130yes—
24#41×C197C2×C4180yescomplemented
25C2×Q8×C197C2×C4140yescomplemented
26C2×Q8×C197C23110yes—
27C2×D4×C197C23110yes—
28C22×C4×C197C23115yes—
29C2×Dic197—210no—
30C2×Dic197—415no—
31C2×Dic197C2415yes—
32C2×Dic197C24110yes—
33C2×Dic197C2411yescharacteristic
34C23×C197C2415yes—
35Q8×C197C22×C4140yes—
36D4×C197C22×C4140yes—
37C2×C4×C197C22×C4160yes—
38C2×C4×C197C24110yes—
39C22×C197—25no—
40C22×C197—25no—
41C22×C197C23×C4110yes—
42C22×C197C2511yescharacteristic
43C4×C197C23×C4120yes—
44Dic197—25no—
45Dic197—210no—
46Dic1972−1+412yesdirect product factor
47C2×C197—210no—
48C2×C197C24×C411yescharacteristic
49C2×C197C2×2−1+411yescharacteristic
50C2×C197#58511yescharacteristic
51C197C4×2−1+411yescharacteristic, complemented, Sylow
52C4×2−1+4—1971nomaximal, Sylow
53C2×2−1+4D19711yescharacteristic
54#520—19710no—
55#519—1975no—
56C4×#41—19710no—
57C2×C4×Q8—1975no—
582−1+4Dic197116yesdirect product factor
59C2×#41C2×D197110yes—
60C22×Q8C2×D19715yes—
61C4×Q8—19710no—
62C4×Q8—19720no—
63C4×Q8—19710no—
64C4×D4—19710no—
65C4×D4—19730no—
66#117—19730no—
67C2×C4⋊C4—19715no—
68C2×C42—19715no—
69#41C2×Dic197180yescomplemented
70C2×Q8C2×Dic197140yescomplemented
71C2×Q8C22×D197110yes—
72C2×D4C22×D197110yes—
73C22×C4—19715no—
74C22×C4—1975no—
75C22×C4C22×D197115yes—
76C4⋊C4—19730no—
77C4⋊C4—19710no—
78C22⋊C4—19720no—
79C42—19710no—
80C42—19730no—
81C23C23×D19715yes—
82Q8C22×Dic197140yes—
83D4C22×Dic197140yes—
84C2×C4—78815no—
85C2×C4—39410no—
86C2×C4—1975no—
87C2×C4—19710no—
88C2×C4—1971no—
89C2×C4C22×Dic197160yes—
90C2×C4C23×D197110yes—
91C22—25no—
92C22—25no—
93C22C23×Dic197110yes—
94C22C24×D19711yescharacteristic
95C4—3945no—
96C4—39410no—
97C4—1972no—
98C4C23×Dic197120yes—
99C2—210no—
100C2C24×Dic19711yescharacteristic
101C22−1+4×D19711yescharacteristic
102C2#2716191611yescharacteristic
subgroupG/H
center, FrattiniC22C24×D197
commutatorC2×C197C24×C4
Fitting, prime radicalC2×2−1+4×C197C2
socle, cosocleC22×C197C25
hypercenterC2×2−1+4D197
hypocenterC197C4×2−1+4
LCSG ▷ C2×C197 ▷ C197
UCSC1 ◁ C22 ◁ C2×2−1+4

Complements

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

NH ≅ G/Ntype
1. #27161562C2semidirect
2. #27161557C2semidirect
3. #41×Dic197C2semidirect
4. C2×Q8×Dic197C2semidirect
14. 2−1+4×C197C4semidirect
24. #41×C197C2×C4semidirect
25. C2×Q8×C197C2×C4semidirect
46. Dic1972−1+4direct (N × H)
51. C197C4×2−1+4semidirect
58. 2−1+4Dic197direct (N × H)
69. #41C2×Dic197semidirect
70. C2×Q8C2×Dic197semidirect

Maximal subgroups

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

subgroupindex
#271615622
#271615572
#41×Dic1972
C2×Q8×Dic1972
C2×2−1+4×C1972
C4×2−1+4197