Finite Group Databasebeta

← C2×#1561 #17736

Subgroups — C2×#1561 #17736

Order 256.

521 conjugacy classes of subgroups; only the 207 normal subgroups are shown.

normal subgroups only

This group has 521 conjugacy classes of subgroups — too many to draw. Only its 207 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
1C2×#533C211yesmaximal, characteristic
2C2×#423C212yesmaximal
3#1561C218yesmaximal, direct product factor
4C2×#332C214yesmaximal, complemented
5C22×M16—22no—
6#533—24no—
7#533C414yes—
8#533C2214yes—
9C2×C4⋊Q8C2212yes—
10C2×#125C412yes—
11C2×C22⋊Q8—22no—
12C2×C4×Q8—22no—
13C2×#117C412yes—
14C22×C42C2211yescharacteristic
15#423—24no—
16#423C2218yes—
17C2×C4⋊C8—22no—
18C2×C4⋊C8C2214yes—
19#332C22116yescomplemented
20C22×Q8—22no—
21C23×C4C2×C411yescharacteristic
22C23×C4D412yes—
23C2×M16—28no—
24C2×M16—48no—
25C22×C8—24no—
26C4⋊Q8—22no—
27C4⋊Q8—22no—
28C4⋊Q8C2×C414yes—
29C4⋊Q8C2314yes—
30#125—24no—
31#125C2×C418yes—
32C22⋊Q8—28no—
33C22⋊Q8—28no—
34C4×Q8—28no—
35C4×Q8—28no—
36#117—24no—
37#117C2×C418yes—
38C2×C4⋊C4—24no—
39C2×C4⋊C4—22no—
40C2×C4⋊C4C2×C414yes—
41C2×C22⋊C4—22no—
42C2×C42—22no—
43C2×C42C2×C411yescharacteristic
44C2×C42C2×C412yes—
45C2×C42D412yes—
46C2×C42D414yes—
47C2×C42C2311yescharacteristic
48C2×C42C2312yes—
49C4⋊C8—28no—
50C4⋊C8—24no—
51C4⋊C8C2318yes—
52C24C22⋊C411yescharacteristic
53C2×Q8—24no—
54C2×Q8—24no—
55C2×Q8—44no—
56C2×Q8—44no—
57C22×C4—24no—
58C22×C4—24no—
59C22×C4—24no—
60C22×C4—24no—
61C22×C4C22⋊C414yes—
62C22×C4C22⋊C412yes—
63C22×C4C22⋊C412yes—
64C22×C4C22⋊C411yescharacteristic
65C22×C4C22×C412yes—
66C22×C4C22×C411yescharacteristic
67C22×C4C2×D414yes—
68C22×C4C2×D412yes—
69M16—416no—
70C2×C8—28no—
71C2×C8—48no—
72C4⋊C4—216no—
73C4⋊C4—24no—
74C4⋊C4—24no—
75C4⋊C4—24no—
76C4⋊C4C22×C418yes—
77C22⋊C4—28no—
78C42—28no—
79C42C22⋊C414yes—
80C42C22⋊C412yes—
81C42C22×C412yes—
82C42C22×C411yescharacteristic
83C42C2×D414yes—
84C42C2×D412yes—
85C42C2411yescharacteristic
86C23—22no—
87C23—24no—
88C23C2×C22⋊C412yes—
89C23C2×C22⋊C411yescharacteristic
90Q8—44no—
91Q8—44no—
92Q8—48no—
93C2×C4—22no—
94C2×C4—24no—
95C2×C4—24no—
96C2×C4—24no—
97C2×C4—24no—
98C2×C4—24no—
99C2×C4—28no—
100C2×C4—28no—
101C2×C4—48no—
102C2×C4#10114yes—
103C2×C4C2×C22⋊C414yes—
104C2×C4C2×C22⋊C411yescharacteristic
105C2×C4C2×C22⋊C412yes—
106C2×C4C2×C22⋊C412yes—
107C2×C4AGL(1,ℤ/8)14yes—
108C2×C4#13714yes—
109C2×C4C23×C411yescharacteristic
110C2×C4C22×D412yes—
111C8—48no—
112C22—22no—
113C22—24no—
114C22—44no—
115C22C2×#10112yes—
116C22#41714yes—
117C22C22×C22⋊C411yescharacteristic
118C4—21no—
119C4—21no—
120C4—24no—
121C4—48no—
122C4C2×#10114yes—
123C4#41714yes—
124C4C2×AGL(1,ℤ/8)12yes—
125C4C2×#13712yes—
126C2—42no—
127C2#156114yesdirect product factor
128C2C22×#10111yescharacteristic
129C2C2×#41712yes—
subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
prime radicalC24C22⋊C4
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

Complements

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

NH ≅ G/Ntype
3. #1561C2direct (N × H)
4. C2×#332C2semidirect
19. #332C22semidirect
127. C2#1561direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5332
C2×#4232
#15612
C2×#3322