Finite Group Databasebeta

← C2×#1682 #19121

Subgroups — C2×#1682 #19121

Order 256.

377 conjugacy classes of subgroups; only the 135 normal subgroups are shown.

normal subgroups only

This group has 377 conjugacy classes of subgroups — too many to draw. Only its 135 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×#486C211yesmaximal, characteristic
2C2×#462C211yesmaximal, characteristic, complemented
3C2×#460C211yesmaximal, characteristic
4C2×C8×Q8C211yesmaximal, characteristic, complemented
5#1682C218yesmaximal, direct product factor
6C2×#335C211yesmaximal, characteristic, complemented
7C2×#332C211yesmaximal, characteristic, complemented
8C2×#331C211yesmaximal, characteristic
9C22×Q16—21no—
10C22×SD16—21no—
11C2×C4⋊Q8C2211yescharacteristic
12C2×#127C2211yescharacteristic
13C2×C4×Q8C2211yescharacteristic
14#486—22no—
15#486C2214yes—
16#462—22no—
17#462C2214yescomplemented
18#460—22no—
19#460C2214yes—
20C8×Q8—22no—
21C8×Q8C2214yescomplemented
22C2×C4⋊C8—21no—
23C2×C4⋊C8C2211yescharacteristic
24C2×C4⋊C8C2211yescharacteristic
25C2×C4⋊C8C2211yescharacteristic
26C2×#103—21no—
27C2×#102—21no—
28C2×#102—21no—
29C2×#102—21no—
30C2×C4×C8—21no—
31C2×C4×C8C2211yescharacteristic
32#335C2214yescomplemented
33#332C2214yescomplemented
34#331C2214yes—
35C22×Q8—21no—
36C22×Q8D411yescharacteristic
37C22×D4—21no—
38C22×D4—21no—
39C22×D4—21no—
40C2×Q16—24no—
41C2×Q16—44no—
42C2×SD16—24no—
43C2×SD16—44no—
44C22×C8—21no—
45C22×C8—21no—
46C22×C8—21no—
47C22×C8D411yescharacteristic
48C22×C8D411yescharacteristic
49C4⋊Q8—21no—
50C4⋊Q8—21no—
51C4⋊Q8—21no—
52C4⋊Q8C2312yes—
53#127—21no—
54#127—21no—
55#127—21no—
56#127C2312yes—
57C4×Q8—21no—
58C4×Q8—21no—
59C4×Q8D412yes—
60C4×Q8C2312yes—
61C2×C4⋊C4—21no—
62C2×C4⋊C4—21no—
63C2×C4⋊C4—21no—
64C2×C4⋊C4D411yescharacteristic
65C2×C42—21no—
66C2×C42C2311yescharacteristic
67C4⋊C8—24no—
68C4⋊C8—21no—
69C4⋊C8—21no—
70C4⋊C8—21no—
71C4⋊C8C2312yes—
72C4⋊C8C2312yes—
73C4⋊C8C2312yes—
74#103—24no—
75#102—24no—
76#102—24no—
77#102—24no—
78C4×C8—24no—
79C4×C8D412yes—
80C4×C8C2312yes—
81C24—41no—
82C2×Q8—21no—
83C2×Q8—22no—
84C2×Q8—22no—
85C2×Q8—41no—
86C2×Q8—42no—
87C2×Q8—42no—
88C2×Q8D814yes—
89C2×Q8C2×D412yes—
90C2×D4—22no—
91C2×D4—22no—
92C2×D4—22no—
93C2×D4—41no—
94C2×D4—41no—
95C2×D4—41no—
96C2×D4—42no—
97C2×D4—42no—
98C2×D4—42no—
99C2×D4—42no—
100C2×D4—82no—
101C22×C4—21no—
102C22×C4—21no—
103C22×C4—41no—
104C22×C4C2×D411yescharacteristic
105C22×C4C2×D411yescharacteristic
106C22×C4#4111yescharacteristic
107Q16—48no—
108SD16—48no—
109C2×C8—22no—
110C2×C8—22no—
111C2×C8—22no—
112C2×C8—22no—
113C2×C8—22no—
114C2×C8—42no—
115C2×C8—42no—
116C2×C8—42no—
117C2×C8C2×D412yes—
118C2×C8C2×D412yes—
119C4⋊C4—22no—
120C4⋊C4—21no—
121C4⋊C4—22no—
122C4⋊C4—22no—
123C4⋊C4—22no—
124C4⋊C4—41no—
125C4⋊C4—41no—
126C4⋊C4C2×D412yes—
127C42—22no—
128C42—22no—
129C42C2×D411yescharacteristic
130C42C2×D411yescharacteristic
131C42#4111yescharacteristic
132C42C2411yescharacteristic
133C23—42no—
134C23—82no—
135C23—82no—
136C23—82no—
137C23#12111yescharacteristic
138Q8—22no—
139Q8—24no—
140Q8—42no—
141Q8—42no—
142Q8—82no—
143Q8C2×D814yes—
144D4—42no—
145D4—42no—
146D4—42no—
147D4—42no—
148D4—82no—
149D4—82no—
150D4—82no—
151D4—82no—
152C2×C4—22no—
153C2×C4—24no—
154C2×C4—22no—
155C2×C4—22no—
156C2×C4—42no—
157C2×C4—42no—
158C2×C4—82no—
159C2×C4#12111yescharacteristic
160C2×C4#12111yescharacteristic
161C2×C4#12111yescharacteristic
162C2×C4C2×D812yes—
163C2×C4#13512yes—
164C2×C4#13512yes—
165C2×C4#13712yes—
166C2×C4C22×D411yescharacteristic
167C2×C4C22×D411yescharacteristic
168C2×C4C2×#4111yescharacteristic
169C8—22no—
170C8—22no—
171C8—42no—
172C8—42no—
173C8—42no—
174C22—82no—
175C22—82no—
176C22—82no—
177C22—164no—
178C22#46412yes—
179C22#46612yes—
180C22#47112yes—
181C22C2×#12111yescharacteristic
182C4—24no—
183C4—21no—
184C4—21no—
185C4—42no—
186C4—82no—
187C4#46412yes—
188C4#46612yes—
189C4C22×D811yescharacteristic
190C4C2×#13511yescharacteristic
191C4C2×#13511yescharacteristic
192C4C2×#13711yescharacteristic
193C2—162no—
194C2#168214yesdirect product factor
195C2C2×#46411yescharacteristic
196C2C2×#46611yescharacteristic
197C2C2×#47111yescharacteristic
subgroupG/H
center, socleC23#121
commutator, Frattini, cosocleC42C24
prime radicalC2×#127C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#462C2semidirect
4. C2×C8×Q8C2semidirect
5. #1682C2direct (N × H)
6. C2×#335C2semidirect
7. C2×#332C2semidirect
17. #462C22semidirect
21. C8×Q8C22semidirect
32. #335C22semidirect
33. #332C22semidirect
194. C2#1682direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4862
C2×#4622
C2×#4602
C2×C8×Q82
#16822
C2×#3352
C2×#3322
C2×#3312