Finite Group Databasebeta

← C2×#1822 #20693

Subgroups — C2×#1822 #20693

Order 256.

715 conjugacy classes of subgroups; only the 231 normal subgroups are shown.

normal subgroups only

This group has 715 conjugacy classes of subgroups — too many to draw. Only its 231 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
1C22×#117C211yesmaximal, characteristic
2C2×#407C212yesmaximal
3#1822C218yesmaximal, direct product factor
4C2×#343C214yesmaximal, complemented
5C24×C4C2211yescharacteristic
6C22×M16C2214yes—
7C2×#117—24no—
8C2×#117—24no—
9C2×#117C414yes—
10C2×#117C2214yes—
11C22×C4⋊C4C2212yes—
12C22×C22⋊C4C412yes—
13C22×C42C412yes—
14#407—24no—
15#407C2218yes—
16C2×C22⋊C8—24no—
17#343C22116yescomplemented
18C25C2×C411yescharacteristic
19C23×C4—28no—
20C23×C4C2×C412yes—
21C23×C4C2×C411yescharacteristic
22C23×C4C2×C414yes—
23C23×C4D414yes—
24C23×C4D414yes—
25C23×C4C2312yes—
26C23×C4C2311yescharacteristic
27C2×M16—24no—
28C2×M16—216no—
29C2×M16C2318yes—
30C22×C8—24no—
31#117—216no—
32#117—216no—
33C2×C4⋊C4—24no—
34C2×C4⋊C4—24no—
35C2×C4⋊C4C2×C414yes—
36C2×C4⋊C4C2314yes—
37C2×C22⋊C4—24no—
38C2×C22⋊C4—24no—
39C2×C22⋊C4C2×C418yes—
40C2×C42—24no—
41C2×C42—24no—
42C2×C42C2×C418yes—
43C22⋊C8—216no—
44C24—24no—
45C24—44no—
46C24C22⋊C412yes—
47C24C22⋊C412yes—
48C24C22×C411yescharacteristic
49C24C22×C412yes—
50C22×C4—24no—
51C22×C4—28no—
52C22×C4—216no—
53C22×C4—216no—
54C22×C4—28no—
55C22×C4—24no—
56C22×C4—24no—
57C22×C4—48no—
58C22×C4C22⋊C412yes—
59C22×C4C22⋊C418yes—
60C22×C4C22⋊C412yes—
61C22×C4C22×C412yes—
62C22×C4C22×C418yes—
63C22×C4C22×C411yescharacteristic
64C22×C4C2×D418yes—
65C22×C4C2×D412yes—
66C22×C4C2×D412yes—
67C22×C4#4118yes—
68C22×C4C2411yescharacteristic
69M16—216no—
70M16—48no—
71C2×C8—28no—
72C2×C8—48no—
73C4⋊C4—28no—
74C4⋊C4—28no—
75C22⋊C4—216no—
76C42—216no—
77C23—24no—
78C23—24no—
79C23—24no—
80C23—24no—
81C23—28no—
82C23—44no—
83C23—44no—
84C23—416no—
85C23C2×C22⋊C414yes—
86C23C2×C22⋊C411yescharacteristic
87C23C2×C22⋊C411yescharacteristic
88C23#11714yes—
89C23C23×C411yescharacteristic
90C2×C4—24no—
91C2×C4—24no—
92C2×C4—24no—
93C2×C4—216no—
94C2×C4—216no—
95C2×C4—28no—
96C2×C4—48no—
97C2×C4—48no—
98C2×C4—48no—
99C2×C4C2×C22⋊C414yes—
100C2×C4C2×C22⋊C412yes—
101C2×C4#11714yes—
102C2×C4#12318yes—
103C2×C4#12318yes—
104C2×C4C22×D412yes—
105C2×C4C2×#4114yes—
106C8—48no—
107C22—28no—
108C22—22no—
109C22—22no—
110C22—28no—
111C22—24no—
112C22—48no—
113C22—48no—
114C22—48no—
115C22#38112yes—
116C22#38112yes—
117C22#41314yes—
118C22C22×C22⋊C411yescharacteristic
119C22C2×#11712yes—
120C4—24no—
121C4—48no—
122C4#38114yes—
123C4C2×#12314yes—
124C2—22no—
125C2—22no—
126C2—44no—
127C2#182214yesdirect product factor
128C2C2×#38111yescharacteristic
129C2C2×#41312yes—
subgroupG/H
center, socleC23C2×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC25C2×C4
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
3. #1822C2direct (N × H)
4. C2×#343C2semidirect
17. #343C22semidirect
127. C2#1822direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1172
C2×#4072
#18222
C2×#3432