Finite Group Databasebeta

← C2×#1818 #20681

Subgroups — C2×#1818 #20681

Order 256.

763 conjugacy classes of subgroups; only the 271 normal subgroups are shown.

normal subgroups only

This group has 763 conjugacy classes of subgroups — too many to draw. Only its 271 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
2C22×C22⋊C8C212yesmaximal
3#1818C218yesmaximal, direct product factor
4C2×#336C214yesmaximal, complemented
5C24×C4C2211yescharacteristic
6C23×C8C2214yes—
7C2×#117—28no—
8C2×#117C414yes—
9C2×#117C2214yes—
10C22×C4⋊C4C412yes—
11C22×C22⋊C4C412yes—
12C22×C42C2212yes—
13C2×C22⋊C8—28no—
14C2×C22⋊C8C2218yes—
15#336C22116yescomplemented
16C25C2×C411yescharacteristic
17C23×C4—28no—
18C23×C4C2×C414yes—
19C23×C4C2×C411yescharacteristic
20C23×C4C2×C412yes—
21C23×C4D418yes—
22C23×C4C2312yes—
23C23×C4C2311yescharacteristic
24C22×C8—28no—
25C22×C8—216no—
26C22×C8C2318yes—
27#117—216no—
28#117—216no—
29C2×C4⋊C4—28no—
30C2×C4⋊C4C2×C418yes—
31C2×C22⋊C4—28no—
32C2×C22⋊C4C2×C418yes—
33C2×C42—28no—
34C2×C42C2×C414yes—
35C2×C42C2314yes—
36C22⋊C8—216no—
37C24—24no—
38C24—28no—
39C24C22⋊C414yes—
40C24C22×C412yes—
41C24C22×C411yescharacteristic
42C22×C4—24no—
43C22×C4—28no—
44C22×C4—232no—
45C22×C4—28no—
46C22×C4—28no—
47C22×C4—216no—
48C22×C4C22⋊C414yes—
49C22×C4C22⋊C418yes—
50C22×C4C22×C418yes—
51C22×C4C22×C412yes—
52C22×C4C22×C411yescharacteristic
53C22×C4C2×D418yes—
54C22×C4C2×D414yes—
55C22×C4#4118yes—
56C22×C4C2411yescharacteristic
57C2×C8—28no—
58C2×C8—216no—
59C2×C8—416no—
60C4⋊C4—216no—
61C22⋊C4—216no—
62C42—28no—
63C42—28no—
64C23—24no—
65C23—28no—
66C23—28no—
67C23—216no—
68C23—416no—
69C23C2×C22⋊C414yes—
70C23C2×C22⋊C412yes—
71C23#11714yes—
72C23#13118yes—
73C23C23×C411yescharacteristic
74C2×C4—24no—
75C2×C4—28no—
76C2×C4—216no—
77C2×C4—216no—
78C2×C4—28no—
79C2×C4—216no—
80C2×C4—416no—
81C2×C4C2×C22⋊C414yes—
82C2×C4C2×C22⋊C412yes—
83C2×C4#11714yes—
84C2×C4#123116yes—
85C2×C4C22×D412yes—
86C2×C4C2×#4114yes—
87C8—48no—
88C22—28no—
89C22—24no—
90C22—416no—
91C22—48no—
92C22#38114yes—
93C22#40818yes—
94C22#433116yes—
95C22C22×C22⋊C411yescharacteristic
96C22C2×#11712yes—
97C22C2×#13114yes—
98C4—24no—
99C4—48no—
100C4#38114yes—
101C4C2×#12314yes—
102C2—44no—
103C2#181818yesdirect product factor
104C2C2×#38111yescharacteristic
105C2C2×#40812yes—
106C2C2×#43314yes—
subgroupG/H
centerC23×C4C23
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
socleC24C22×C4
prime radicalC25C2×C4
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
3. #1818C2direct (N × H)
4. C2×#336C2semidirect
15. #336C22semidirect
103. C2#1818direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1172
C22×C22⋊C82
#18182
C2×#3362