Finite Group Databasebeta

← C2×#1817 #20680

Subgroups — C2×#1817 #20680

Order 256.

1055 conjugacy classes of subgroups; only the 367 normal subgroups are shown.

normal subgroups only

This group has 1055 conjugacy classes of subgroups — too many to draw. Only its 367 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
1C23×C42C211yesmaximal, characteristic
2C22×C22⋊C8C212yesmaximal
3#1817C218yesmaximal, direct product factor
4C2×#336C214yesmaximal, complemented
5C24×C4C411yescharacteristic
6C24×C4C411yescharacteristic
7C24×C4C2211yescharacteristic
8C23×C8C2214yes—
9C22×C42—28no—
10C22×C42C414yes—
11C22×C42C412yes—
12C22×C42C2214yes—
13C22×C42C2212yes—
14C2×C22⋊C8—28no—
15C2×C22⋊C8C2218yes—
16#336C22116yescomplemented
17C25C2×C411yescharacteristic
18C23×C4—24no—
19C23×C4—24no—
20C23×C4—24no—
21C23×C4—28no—
22C23×C4—28no—
23C23×C4C818yescomplemented
24C23×C4C2×C414yes—
25C23×C4C2×C411yescharacteristic
26C23×C4C2×C412yes—
27C23×C4C2×C412yes—
28C23×C4C2×C414yes—
29C23×C4C2×C412yes—
30C23×C4D418yes—
31C23×C4C2312yes—
32C23×C4C2311yescharacteristic
33C22×C8—28no—
34C22×C8—216no—
35C22×C8C2318yes—
36C2×C42—28no—
37C2×C42—216no—
38C2×C42—216no—
39C2×C42—28no—
40C2×C42C2×C418yes—
41C2×C42C2×C414yes—
42C2×C42C2314yes—
43C22⋊C8—216no—
44C24—24no—
45C24—24no—
46C24C22⋊C414yes—
47C24C2×C814yes—
48C24M1614yes—
49C24C22×C412yes—
50C24C22×C411yescharacteristic
51C22×C4—232no—
52C22×C4—232no—
53C22×C4—28no—
54C22×C4—24no—
55C22×C4—28no—
56C22×C4—24no—
57C22×C4—24no—
58C22×C4—24no—
59C22×C4—28no—
60C22×C4—24no—
61C22×C4—28no—
62C22×C4—232no—
63C22×C4—216no—
64C22×C4—28no—
65C22×C4C22⋊C414yes—
66C22×C4C22⋊C418yes—
67C22×C4C2×C818yes—
68C22×C4C2×C8116yescomplemented
69C22×C4M1618yes—
70C22×C4C22×C412yes—
71C22×C4C22×C414yes—
72C22×C4C22×C414yes—
73C22×C4C22×C411yescharacteristic
74C22×C4C2×D418yes—
75C22×C4C2×D414yes—
76C22×C4#4118yes—
77C22×C4C2411yescharacteristic
78C2×C8—28no—
79C2×C8—216no—
80C2×C8—416no—
81C42—216no—
82C42—28no—
83C42—28no—
84C23—24no—
85C23—24no—
86C23—28no—
87C23—28no—
88C23—216no—
89C23—216no—
90C23C22⋊C8116yes—
91C23C2×C22⋊C414yes—
92C23C2×C22⋊C412yes—
93C23#11714yes—
94C23C22×C814yes—
95C23C22×C812yes—
96C23C2×M1614yes—
97C23C2×M1612yes—
98C23C2×M1614yes—
99C23C23×C411yescharacteristic
100C2×C4—232no—
101C2×C4—24no—
102C2×C4—24no—
103C2×C4—24no—
104C2×C4—24no—
105C2×C4—24no—
106C2×C4—28no—
107C2×C4—216no—
108C2×C4—232no—
109C2×C4—216no—
110C2×C4—216no—
111C2×C4—216no—
112C2×C4C2×C22⋊C414yes—
113C2×C4C2×C22⋊C412yes—
114C2×C4#11714yes—
115C2×C4#123116yes—
116C2×C4C22×C818yes—
117C2×C4C2×M1618yes—
118C2×C4C22×D412yes—
119C2×C4C2×#4114yes—
120C8—48no—
121C22—232no—
122C22—24no—
123C22—28no—
124C22—28no—
125C22—24no—
126C22#38114yes—
127C22C2×C22⋊C818yes—
128C22C2×C22⋊C814yes—
129C22#40714yes—
130C22#43118yes—
131C22#43218yes—
132C22C22×C22⋊C411yescharacteristic
133C22C2×#11712yes—
134C22C23×C811yescharacteristic
135C22C22×M1611yescharacteristic
136C22C22×M1612yes—
137C4—28no—
138C4—28no—
139C4—24no—
140C4#38114yes—
141C4C2×#12314yes—
142C2—28no—
143C2#181718yesdirect product factor
144C2C2×#38111yescharacteristic
145C2C22×C22⋊C811yescharacteristic
146C2C2×#40711yescharacteristic
147C2C2×#43112yes—
148C2C2×#43212yes—
subgroupG/H
centerC23×C4C23
commutatorC22C23×C8
Frattini, cosocleC22×C4C24
socleC24C22×C4
prime radicalC25C2×C4
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
3. #1817C2direct (N × H)
4. C2×#336C2semidirect
16. #336C22semidirect
23. C23×C4C8semidirect
68. C22×C4C2×C8semidirect
143. C2#1817direct (N × H)

Maximal subgroups

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

subgroupindex
C23×C422
C22×C22⋊C82
#18172
C2×#3362