Finite Group Databasebeta

← C2×#1779 #20577

Subgroups — C2×#1779 #20577

Order 256.

3055 conjugacy classes of subgroups; only the 495 normal subgroups are shown.

normal subgroups only

This group has 3055 conjugacy classes of subgroups — too many to draw. Only its 495 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
1C25×C4C211yesmaximal, characteristic
2C22×C22⋊C8C216yesmaximal, complemented
3#1779C218yesmaximal, direct product factor
4C26C411yescharacteristic
5C24×C4—224no—
6C24×C4C413yes—
7C24×C4C414yes—
8C24×C4C2214yes—
9C24×C4C2213yes—
10C23×C8C2214yescomplemented
11C2×C22⋊C8—224no—
12C2×C22⋊C8C22124yescomplemented
13C25—212no—
14C25—212no—
15C25C818yescomplemented
16C25C2×C414yes—
17C25C2×C413yes—
18C23×C4—2128no—
19C23×C4—212no—
20C23×C4—224no—
21C23×C4—248no—
22C23×C4—248no—
23C23×C4—224no—
24C23×C4C2×C4112yes—
25C23×C4C2×C413yes—
26C23×C4C2×C416yes—
27C23×C4D4124yes—
28C23×C4C2316yes—
29C23×C4C2311yescharacteristic
30C22×C8—224no—
31C22×C8C2318yescomplemented
32C22⋊C8—248no—
33C24—232no—
34C24—296no—
35C24—296no—
36C24—224no—
37C24—212no—
38C24—224no—
39C24—212no—
40C24C22⋊C4112yes—
41C24C2×C8112yes—
42C24C2×C8116yescomplemented
43C24M16112yes—
44C24C22×C416yes—
45C24C22×C411yescharacteristic
46C22×C4—296no—
47C22×C4—2128no—
48C22×C4—2128no—
49C22×C4—224no—
50C22×C4—212no—
51C22×C4—248no—
52C22×C4—224no—
53C22×C4—296no—
54C22×C4—224no—
55C22×C4C22⋊C4112yes—
56C22×C4C22⋊C4124yes—
57C22×C4C22×C416yes—
58C22×C4C22×C411yescharacteristic
59C22×C4C2×D4124yes—
60C22×C4C2×D4112yes—
61C22×C4C2411yescharacteristic
62C2×C8—224no—
63C2×C8—416no—
64C23—232no—
65C23—296no—
66C23—2256no—
67C23—212no—
68C23—212no—
69C23—224no—
70C23—248no—
71C23—296no—
72C23—224no—
73C23—248no—
74C23C22⋊C8148yescomplemented
75C23C2×C22⋊C4112yes—
76C23C2×C22⋊C416yes—
77C23C22×C8112yes—
78C23C22×C812yes—
79C23C2×M16112yes—
80C23C2×M1616yes—
81C23C23×C411yescharacteristic
82C2×C4—296no—
83C2×C4—212no—
84C2×C4—224no—
85C2×C4—248no—
86C2×C4—248no—
87C2×C4C2×C22⋊C4112yes—
88C2×C4C2×C22⋊C416yes—
89C2×C4#120116yes—
90C2×C4C22×D416yes—
91C8—48no—
92C22—2128no—
93C22—224no—
94C22—212no—
95C22—224no—
96C22—212no—
97C22—296no—
98C22#37914yes—
99C22C2×C22⋊C8112yes—
100C22C2×C22⋊C8124yescomplemented
101C22#407112yes—
102C22C22×C22⋊C413yes—
103C22C23×C811yescharacteristic
104C22C22×M1613yes—
105C4—212no—
106C4#37914yes—
107C4C2×#12014yes—
108C2—224no—
109C2#177918yesdirect product factor
110C2C2×#37911yescharacteristic
111C2C22×C22⋊C813yes—
112C2C2×#40713yes—
subgroupG/H
centerC23×C4C23
commutatorC22C23×C8
Frattini, cosocleC22×C4C24
socleC24C22×C4
prime radicalC26C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C22×C22⋊C8C2semidirect
3. #1779C2direct (N × H)
10. C23×C8C22semidirect
12. C2×C22⋊C8C22semidirect
15. C25C8semidirect
31. C22×C8C23semidirect
42. C24C2×C8semidirect
74. C23C22⋊C8semidirect
100. C22C2×C22⋊C8semidirect
109. C2#1779direct (N × H)

Maximal subgroups

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

subgroupindex
C25×C42
C22×C22⋊C82
#17792