Finite Group Databasebeta

← C2×#1622 #18476

Subgroups — C2×#1622 #18476

Order 256.

585 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 585 conjugacy classes of subgroups — too many to draw. Only its 143 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×#554C211yesmaximal, characteristic, complemented
2C2×#492C211yesmaximal, characteristic, complemented
3C2×#460C211yesmaximal, characteristic, complemented
4C2×#459C211yesmaximal, characteristic
5#1622C218yesmaximal, direct product factor
6C2×#333C211yesmaximal, characteristic, complemented
7C2×Q8⋊C8C211yesmaximal, characteristic, complemented
8C2×D4⋊C8C211yesmaximal, characteristic, complemented
9C22×SD16—22no—
10C22×SD16—21no—
11C22×D8—21no—
12#554—22no—
13#554—22no—
14#554—22no—
15#554C2214yescomplemented
16C2×C4⋊Q8C2211yescharacteristic
17C2×#127C2211yescharacteristic
18C2×#125—21no—
19C2×C22⋊Q8—21no—
20C2×C22⋊Q8—22no—
21C2×C4×Q8C2211yescharacteristic
22C2×C4×D4—21no—
23C2×C4×D4C2211yescharacteristic
24C22×C4⋊C4—21no—
25#492—22no—
26#492C2214yescomplemented
27#460—22no—
28#460C2214yescomplemented
29#459—22no—
30#459C2214yes—
31C2×C4⋊C8C2211yescharacteristic
32C2×C4⋊C8C2211yescharacteristic
33C2×#102—21no—
34C2×#102—21no—
35C2×C4×C8C2211yescharacteristic
36#333C2214yescomplemented
37Q8⋊C8C2214yescomplemented
38D4⋊C8C2214yescomplemented
39C22×Q8D411yescharacteristic
40C22×Q8D412yes—
41C22×D4—21no—
42C22×D4—21no—
43C22×D4—21no—
44C22×D4D411yescharacteristic
45C23×C4—22no—
46C23×C4—21no—
47C2×SD16—24no—
48C2×SD16—28no—
49C2×SD16—48no—
50C2×SD16—44no—
51C2×D8—24no—
52C2×D8—44no—
53C22×C8—21no—
54C22×C8—21no—
55C22×C8—21no—
56C4⋊Q8—21no—
57C4⋊Q8—21no—
58C4⋊Q8D412yes—
59C4⋊Q8C2312yes—
60#127—21no—
61#127—21no—
62#127—21no—
63#127C2312yes—
64#125—24no—
65#125—24no—
66C22⋊Q8—24no—
67C22⋊Q8—28no—
68C22⋊Q8—24no—
69C22⋊Q8—28no—
70C4×Q8—21no—
71C4×Q8—21no—
72C4×Q8D412yes—
73C4×Q8C2312yes—
74C4×D4—24no—
75C4×D4—24no—
76C4×D4—21no—
77C4×D4—21no—
78C4×D4D412yes—
79C4×D4C2312yes—
80C2×C4⋊C4—22no—
81C2×C4⋊C4—24no—
82C2×C4⋊C4—22no—
83C2×C4⋊C4—21no—
84C2×C4⋊C4—21no—
85C2×C4⋊C4—21no—
86C2×C4⋊C4—24no—
87C2×C4⋊C4D411yescharacteristic
88C2×C4⋊C4D411yescharacteristic
89C2×C22⋊C4—22no—
90C2×C22⋊C4—21no—
91C2×C42—21no—
92C2×C42C2311yescharacteristic
93C4⋊C8—21no—
94C4⋊C8—21no—
95C4⋊C8C2312yes—
96C4⋊C8C2312yes—
97#102—24no—
98#102—24no—
99C4×C8—21no—
100C4×C8C2312yes—
101C24—21no—
102C24—41no—
103C2×Q8—21no—
104C2×Q8—22no—
105C2×Q8—22no—
106C2×Q8—22no—
107C2×Q8—44no—
108C2×Q8C2×D412yes—
109C2×Q8C2×D414yes—
110C2×D4—21no—
111C2×D4—22no—
112C2×D4—22no—
113C2×D4—22no—
114C2×D4—22no—
115C2×D4—44no—
116C2×D4—41no—
117C2×D4—41no—
118C2×D4—41no—
119C2×D4—42no—
120C2×D4—42no—
121C2×D4—42no—
122C2×D4—42no—
123C2×D4SD1614yescomplemented
124C2×D4C2×D412yes—
125C22×C4—21no—
126C22×C4—21no—
127C22×C4—21no—
128C22×C4—22no—
129C22×C4—28no—
130C22×C4—22no—
131C22×C4—22no—
132C22×C4—42no—
133C22×C4—42no—
134C22×C4—84no—
135C22×C4C2×D411yescharacteristic
136C22×C4C2×D411yescharacteristic
137C22×C4C2×D411yescharacteristic
138SD16—416no—
139SD16—48no—
140D8—48no—
141C2×C8—24no—
142C2×C8—22no—
143C2×C8—22no—
144C2×C8—22no—
145C2×C8—42no—
146C2×C8—42no—
147C4⋊C4—28no—
148C4⋊C4—28no—
149C4⋊C4—21no—
150C4⋊C4—22no—
151C4⋊C4—22no—
152C4⋊C4—22no—
153C4⋊C4—21no—
154C4⋊C4—22no—
155C4⋊C4—22no—
156C4⋊C4—22no—
157C4⋊C4C2×D412yes—
158C4⋊C4C2×D412yes—
159C22⋊C4—28no—
160C22⋊C4—22no—
161C22⋊C4—22no—
162C42—22no—
163C42—22no—
164C42C2×D411yescharacteristic
165C42C2×D411yescharacteristic
166C42C2×D411yescharacteristic
167C42C2411yescharacteristic
168C23—22no—
169C23—24no—
170C23—42no—
171C23—42no—
172C23—42no—
173C23—82no—
174C23—82no—
175C23—82no—
176C23#12011yescharacteristic
177Q8—22no—
178Q8—22no—
179Q8—44no—
180Q8—42no—
181Q8—82no—
182D4—22no—
183D4—24no—
184D4—44no—
185D4—42no—
186D4—42no—
187D4—42no—
188D4—42no—
189D4—82no—
190D4—82no—
191D4—82no—
192D4C2×SD1614yescomplemented
193C2×C4—22no—
194C2×C4—22no—
195C2×C4—22no—
196C2×C4—22no—
197C2×C4—24no—
198C2×C4—42no—
199C2×C4—42no—
200C2×C4—42no—
201C2×C4—44no—
202C2×C4—42no—
203C2×C4—42no—
204C2×C4—44no—
205C2×C4—88no—
206C2×C4#12011yescharacteristic
207C2×C4#12011yescharacteristic
208C2×C4#12011yescharacteristic
209C2×C4C2×SD1612yes—
210C2×C4#13512yes—
211C2×C4AGL(1,ℤ/8)12yes—
212C2×C4#13712yes—
213C2×C4C22×D411yescharacteristic
214C2×C4C22×D411yescharacteristic
215C2×C4C22×D411yescharacteristic
216C8—24no—
217C8—42no—
218C8—42no—
219C22—24no—
220C22—48no—
221C22—42no—
222C22—42no—
223C22—82no—
224C22—82no—
225C22—82no—
226C22—164no—
227C22#44812yes—
228C22#44912yes—
229C22#45312yes—
230C22C2×#12011yescharacteristic
231C4—21no—
232C4—21no—
233C4—42no—
234C4—42no—
235C4—42no—
236C4—44no—
237C4#44812yes—
238C4#44912yes—
239C4C22×SD1611yescharacteristic
240C4C2×#13511yescharacteristic
241C4C2×AGL(1,ℤ/8)11yescharacteristic
242C4C2×#13711yescharacteristic
243C2—44no—
244C2—162no—
245C2#162214yesdirect product factor
246C2C2×#44811yescharacteristic
247C2C2×#44911yescharacteristic
248C2C2×#45311yescharacteristic
subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC42C24
prime radicalC2×#459C2
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
1. C2×#554C2semidirect
2. C2×#492C2semidirect
3. C2×#460C2semidirect
5. #1622C2direct (N × H)
6. C2×#333C2semidirect
7. C2×Q8⋊C8C2semidirect
8. C2×D4⋊C8C2semidirect
15. #554C22semidirect
26. #492C22semidirect
28. #460C22semidirect
36. #333C22semidirect
37. Q8⋊C8C22semidirect
38. D4⋊C8C22semidirect
123. C2×D4SD16semidirect
192. D4C2×SD16semidirect
245. C2#1622direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5542
C2×#4922
C2×#4602
C2×#4592
#16222
C2×#3332
C2×Q8⋊C82
C2×D4⋊C82