Finite Group Databasebeta

← C2×#2121 #33344

Subgroups — C2×#2121 #33344

Order 256.

747 conjugacy classes of subgroups; only the 183 normal subgroups are shown.

normal subgroups only

This group has 747 conjugacy classes of subgroups — too many to draw. Only its 183 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×#534C211yesmaximal, characteristic
2C22×#100C211yesmaximal, characteristic, complemented
3C22×#99C211yesmaximal, characteristic, complemented
4#2121C218yesmaximal, direct product factor
5C2×#352C212yesmaximal, complemented
6C2×AΣL(1,𝔽16)C212yesmaximal, complemented
7C23×D4C411yescharacteristic, complemented
8C23×D4C2211yescharacteristic
9C22×M16—21no—
10#534—22no—
11#534—22no—
12#534C414yescomplemented
13#534C2214yes—
14C2×#123—21no—
15C2×#123C411yescharacteristic, complemented
16C2×#123C2211yescharacteristic
17C2×#121—21no—
18C2×#121—21no—
19C2×#120—21no—
20C2×#120C411yescharacteristic, complemented
21C2×#120C2211yescharacteristic
22C22×C22⋊C4—21no—
23C22×C22⋊C4C411yescharacteristic, complemented
24C2×#100—22no—
25C2×#100—21no—
26C2×#100C2212yes—
27C2×#100C2214yescomplemented
28C2×#99—22no—
29C2×#99—21no—
30C2×#99C2212yes—
31C2×#99C2214yescomplemented
32#352C2218yescomplemented
33AΣL(1,𝔽16)C2218yescomplemented
34C25C2×C411yescharacteristic
35C25C2×C411yescharacteristic, complemented
36C25D411yescharacteristic
37C22×D4—21no—
38C22×D4—22no—
39C22×D4—21no—
40C22×D4—21no—
41C22×D4—21no—
42C22×D4—41no—
43C22×D4—41no—
44C22×D4—42no—
45C22×D4—42no—
46C22×D4—41no—
47C22×D4—41no—
48C22×D4C2×C411yescharacteristic
49C22×D4C2×C412yes—
50C22×D4C2×C414yescomplemented
51C22×D4D411yescharacteristic
52C22×D4D412yes—
53C22×D4D411yescharacteristic
54C22×D4D412yes—
55C22×D4C2311yescharacteristic
56C22×D4C2312yes—
57C23×C4—21no—
58C23×C4—41no—
59C23×C4C2×C411yescharacteristic, complemented
60C23×C4D411yescharacteristic
61C2×M16—22no—
62C2×M16—24no—
63C2×M16—42no—
64C2×M16—41no—
65C22×C8—41no—
66#123—22no—
67#123—21no—
68#123—21no—
69#123—24no—
70#123—24no—
71#123C2×C414yescomplemented
72#123C2×C412yescomplemented
73#123C2312yes—
74#121—24no—
75#121—24no—
76#121—24no—
77#121—24no—
78#120—24no—
79#120—24no—
80#120—22no—
81#120—21no—
82#120—21no—
83#120C2×C414yescomplemented
84#120C2×C412yescomplemented
85#120C2312yes—
86C2×C4⋊C4—21no—
87C2×C4⋊C4—21no—
88C2×C22⋊C4—22no—
89C2×C22⋊C4—21no—
90C2×C22⋊C4—21no—
91C2×C22⋊C4—21no—
92C2×C22⋊C4—21no—
93C2×C22⋊C4—21no—
94C2×C22⋊C4—22no—
95C2×C22⋊C4—24no—
96C2×C22⋊C4—42no—
97C2×C22⋊C4—41no—
98C2×C22⋊C4C2×C411yescharacteristic, complemented
99C2×C22⋊C4C2×C411yescharacteristic, complemented
100C2×C22⋊C4C2×C414yescomplemented
101#100—22no—
102#100—24no—
103#100C2314yes—
104#99—22no—
105#99—24no—
106#99C2314yes—
107C24—21no—
108C24—22no—
109C24—21no—
110C24—22no—
111C24—21no—
112C24—21no—
113C24—21no—
114C24—21no—
115C24—41no—
116C24—41no—
117C24—82no—
118C24—82no—
119C24—82no—
120C24C22⋊C411yescharacteristic
121C24C22⋊C411yescharacteristic
122C24C22⋊C412yes—
123C24C22⋊C412yes—
124C24C22⋊C411yescharacteristic
125C24C22×C411yescharacteristic
126C24C22×C412yes—
127C24C22×C412yescomplemented
128C24C2×D411yescharacteristic
129C24C2×D412yes—
130C2×D4—24no—
131C2×D4—24no—
132C2×D4—22no—
133C2×D4—24no—
134C2×D4—22no—
135C2×D4—41no—
136C2×D4—42no—
137C2×D4—42no—
138C2×D4—41no—
139C2×D4—42no—
140C2×D4—41no—
141C2×D4—42no—
142C2×D4—42no—
143C2×D4—41no—
144C2×D4—42no—
145C2×D4—41no—
146C2×D4—41no—
147C2×D4—42no—
148C2×D4—42no—
149C2×D4—41no—
150C2×D4—41no—
151C2×D4—44no—
152C2×D4—44no—
153C2×D4—42no—
154C2×D4—42no—
155C2×D4—42no—
156C2×D4—41no—
157C2×D4—41no—
158C2×D4—44no—
159C2×D4—44no—
160C2×D4—82no—
161C2×D4—82no—
162C2×D4C22⋊C412yes—
163C2×D4C22⋊C412yes—
164C2×D4C22⋊C412yes—
165C2×D4C22×C412yes—
166C2×D4C22×C411yescharacteristic
167C2×D4C2×D411yescharacteristic
168C2×D4C2×D412yes—
169C2×D4C2×D411yescharacteristic
170C2×D4C2×D412yes—
171C2×D4C2411yescharacteristic
172C22×C4—21no—
173C22×C4—22no—
174C22×C4—21no—
175C22×C4—21no—
176C22×C4—21no—
177C22×C4—21no—
178C22×C4—21no—
179C22×C4—24no—
180C22×C4—41no—
181C22×C4—41no—
182C22×C4—44no—
183C22×C4—42no—
184C22×C4—82no—
185C22×C4—84no—
186C22×C4C22⋊C411yescharacteristic
187C22×C4C22⋊C412yes—
188C22×C4C22×C412yescomplemented
189C22×C4C2×D411yescharacteristic
190C22×C4C2×D412yes—
191M16—24no—
192M16—42no—
193M16—44no—
194C2×C8—44no—
195C2×C8—42no—
196C4⋊C4—24no—
197C4⋊C4—22no—
198C4⋊C4—22no—
199C22⋊C4—21no—
200C22⋊C4—21no—
201C22⋊C4—24no—
202C22⋊C4—24no—
203C22⋊C4—22no—
204C22⋊C4—22no—
205C22⋊C4—24no—
206C22⋊C4—22no—
207C22⋊C4—22no—
208C22⋊C4—24no—
209C22⋊C4—42no—
210C22⋊C4—44no—
211C22⋊C4C22×C412yescomplemented
212C22⋊C4C22×C412yescomplemented
213C23—22no—
214C23—21no—
215C23—21no—
216C23—22no—
217C23—21no—
218C23—21no—
219C23—21no—
220C23—21no—
221C23—21no—
222C23—22no—
223C23—22no—
224C23—22no—
225C23—22no—
226C23—22no—
227C23—21no—
228C23—22no—
229C23—22no—
230C23—42no—
231C23—42no—
232C23—42no—
233C23—44no—
234C23—42no—
235C23—42no—
236C23—42no—
237C23—42no—
238C23—42no—
239C23—42no—
240C23—41no—
241C23—41no—
242C23—82no—
243C23—82no—
244C23—82no—
245C23—82no—
246C23—82no—
247C23—82no—
248C23—82no—
249C23—82no—
250C23—84no—
251C23—84no—
252C23—82no—
253C23—84no—
254C23—84no—
255C23#9911yescharacteristic
256C23#9911yescharacteristic
257C23#9912yes—
258C23C2×C22⋊C411yescharacteristic
259C23C2×C22⋊C411yescharacteristic
260C23C2×C22⋊C412yes—
261C23C2×C22⋊C411yescharacteristic
262C23C2×C22⋊C412yes—
263C23C2×C22⋊C412yes—
264C23C23×C411yescharacteristic
265C23C22×D411yescharacteristic
266D4—42no—
267D4—42no—
268D4—42no—
269D4—42no—
270D4—41no—
271D4—41no—
272D4—42no—
273D4—41no—
274D4—42no—
275D4—41no—
276D4—48no—
277D4—44no—
278D4—44no—
279D4—84no—
280D4—82no—
281D4—82no—
282C2×C4—22no—
283C2×C4—21no—
284C2×C4—22no—
285C2×C4—21no—
286C2×C4—22no—
287C2×C4—22no—
288C2×C4—21no—
289C2×C4—21no—
290C2×C4—22no—
291C2×C4—22no—
292C2×C4—22no—
293C2×C4—42no—
294C2×C4—42no—
295C2×C4—42no—
296C2×C4—41no—
297C2×C4—41no—
298C2×C4—42no—
299C2×C4—44no—
300C2×C4—84no—
301C2×C4—88no—
302C2×C4—84no—
303C2×C4C2×C22⋊C412yes—
304C2×C4C2×C22⋊C411yescharacteristic
305C2×C4C22×D411yescharacteristic
306C8—44no—
307C22—22no—
308C22—22no—
309C22—22no—
310C22—21no—
311C22—21no—
312C22—21no—
313C22—22no—
314C22—22no—
315C22—21no—
316C22—42no—
317C22—42no—
318C22—42no—
319C22—42no—
320C22—41no—
321C22—41no—
322C22—41no—
323C22—41no—
324C22—44no—
325C22—42no—
326C22—44no—
327C22—42no—
328C22—42no—
329C22—42no—
330C22—42no—
331C22—42no—
332C22—42no—
333C22—42no—
334C22—42no—
335C22—81no—
336C22—81no—
337C22—82no—
338C22—82no—
339C22—82no—
340C22—82no—
341C22—82no—
342C22—82no—
343C22—82no—
344C22—84no—
345C22—84no—
346C22—82no—
347C22C2×#9911yescharacteristic
348C22C2×#9912yes—
349C22C2×#9912yes—
350C22C2×#9911yescharacteristic
351C22C22×C22⋊C411yescharacteristic
352C4—21no—
353C4—22no—
354C4—21no—
355C4—42no—
356C4—42no—
357C4—42no—
358C4—84no—
359C2—21no—
360C2—21no—
361C2—22no—
362C2—22no—
363C2—41no—
364C2—42no—
365C2—41no—
366C2—42no—
367C2—41no—
368C2—41no—
369C2—82no—
370C2#212112yesdirect product factor
371C2C22×#9911yescharacteristic
subgroupG/H
center, socleC22C2×#99
commutatorC23C23×C4
Frattini, cosocleC2×D4C24
prime radicalC2×#534C2
LCSG ▷ C23 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C24 ◁ C23×D4 ◁ G
LECSG ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C22×#100C2semidirect
3. C22×#99C2semidirect
4. #2121C2direct (N × H)
5. C2×#352C2semidirect
6. C2×AΣL(1,𝔽16)C2semidirect
7. C23×D4C4semidirect
12. #534C4semidirect
15. C2×#123C4semidirect
20. C2×#120C4semidirect
23. C22×C22⋊C4C4semidirect
27. C2×#100C22semidirect
31. C2×#99C22semidirect
32. #352C22semidirect
33. AΣL(1,𝔽16)C22semidirect
35. C25C2×C4semidirect
50. C22×D4C2×C4semidirect
59. C23×C4C2×C4semidirect
71. #123C2×C4semidirect
72. #123C2×C4semidirect
83. #120C2×C4semidirect
84. #120C2×C4semidirect
98. C2×C22⋊C4C2×C4semidirect
99. C2×C22⋊C4C2×C4semidirect
100. C2×C22⋊C4C2×C4semidirect
127. C24C22×C4semidirect
188. C22×C4C22×C4semidirect
211. C22⋊C4C22×C4semidirect
212. C22⋊C4C22×C4semidirect
370. C2#2121direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5342
C22×#1002
C22×#992
#21212
C2×#3522
C2×AΣL(1,𝔽16)2