Finite Group Databasebeta

← C2×#2049 #23524

Subgroups — C2×#2049 #23524

Order 256.

661 conjugacy classes of subgroups.

The subgroup lattice has 372 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×#137C211yesmaximal, characteristic
2C2×#430C211yesmaximal, characteristic, complemented
3C2×#421C211yesmaximal, characteristic
4C2×#419C211yesmaximal, characteristic, complemented
5C2×#413C211yesmaximal, characteristic
6C22×#101C211yesmaximal, characteristic, complemented
7#2049C218yesmaximal, direct product factor
8C2×#344C211yesmaximal, characteristic, complemented
9C22×#41C2211yescharacteristic
10C23×Q8C2211yescharacteristic
11C2×#137—22no—
12C2×#137—22no—
13C2×#137—22no—
14C2×#137—22no—
15C2×#137—22no—
16C2×#137C2214yes—
17C22×Q16—21no—
18C22×SD16—21no—
19C22×M16C2211yescharacteristic
20C22×M16C2211yescharacteristic
21C22×M16C2211yescharacteristic
22C22×M16C2211yescharacteristic
23C2×#117C2211yescharacteristic
24#430—22no—
25#430C2214yescomplemented
26C2×#108—22no—
27#421—22no—
28#421C2214yes—
29C2×#104—22no—
30#419—22no—
31#419C2214yescomplemented
32C2×#103—22no—
33#413—22no—
34#413C2214yes—
35C2×#101—21no—
36C2×#101—22no—
37C2×#101—22no—
38C2×#101C2214yescomplemented
39C2×#100—21no—
40#344C2214yescomplemented
41C2×#41—21no—
42C2×#41—21no—
43C2×#41—21no—
44C2×#41—21no—
45C2×#41—21no—
46C2×#41—21no—
47C2×#41—21no—
48C2×#41—21no—
49C2×#41—21no—
50C2×#41—21no—
51C2×#41D412yes—
52C2×#41C2312yes—
53C22×Q8—21no—
54C22×Q8—21no—
55C22×Q8—21no—
56C22×Q8—21no—
57C22×Q8—21no—
58C22×Q8—21no—
59C22×Q8—21no—
60C22×Q8—21no—
61C22×Q8—21no—
62C22×Q8—21no—
63C22×Q8—21no—
64C22×Q8D411yescharacteristic
65C22×Q8D412yes—
66C22×Q8D412yes—
67C22×Q8C2312yes—
68C22×D4—21no—
69C22×D4D411yescharacteristic
70C23×C4—21no—
71C23×C4—21no—
72C23×C4C2311yescharacteristic
73#137—28no—
74#137—28no—
75#137—28no—
76#137—28no—
77C2×Q16—24no—
78C2×Q16—24no—
79C2×Q16—24no—
80C2×SD16—24no—
81C2×SD16—24no—
82C2×SD16—24no—
83C2×M16—21no—
84C2×M16—21no—
85C2×M16—21no—
86C2×M16—21no—
87C2×M16—21no—
88C2×M16—21no—
89C2×M16—21no—
90C2×M16—21no—
91C2×M16—21no—
92C2×M16—21no—
93C2×M16—21no—
94C2×M16—21no—
95C2×M16—21no—
96C2×M16—21no—
97C2×M16—21no—
98C2×M16—21no—
99C2×M16D412yes—
100C2×M16D412yes—
101C2×M16D412yes—
102C2×M16D412yes—
103C2×M16C2312yes—
104C2×M16C2312yes—
105C2×M16C2312yes—
106C2×M16C2312yes—
107C22×C8—21no—
108C22×C8—21no—
109C22×C8—21no—
110C22×C8—21no—
111#117—21no—
112#117—21no—
113#117—21no—
114#117C2312yes—
115C2×C4⋊C4—21no—
116C2×C22⋊C4—21no—
117C2×C42—21no—
118#108—28no—
119#104—28no—
120#103—28no—
121#101—24no—
122#101—28no—
123#100—24no—
124C24—21no—
125C24#4111yescharacteristic
126#41—22no—
127#41—22no—
128#41—22no—
129#41—22no—
130#41—22no—
131#41—22no—
132#41—22no—
133#41—22no—
134#41—41no—
135#41—41no—
136#41—41no—
137#41—41no—
138#41—41no—
139#41—41no—
140#41—41no—
141#41—41no—
142C2×Q8—22no—
143C2×Q8—22no—
144C2×Q8—21no—
145C2×Q8—22no—
146C2×Q8—22no—
147C2×Q8—22no—
148C2×Q8—21no—
149C2×Q8—21no—
150C2×Q8—22no—
151C2×Q8—22no—
152C2×Q8—21no—
153C2×Q8—21no—
154C2×Q8—22no—
155C2×Q8—22no—
156C2×Q8—22no—
157C2×Q8—22no—
158C2×Q8—22no—
159C2×Q8—22no—
160C2×Q8—22no—
161C2×Q8—22no—
162C2×Q8—41no—
163C2×Q8—41no—
164C2×Q8—41no—
165C2×Q8—41no—
166C2×Q8—41no—
167C2×Q8—41no—
168C2×Q8—41no—
169C2×Q8—41no—
170C2×Q8—41no—
171C2×Q8—41no—
172C2×Q8—41no—
173C2×Q8—41no—
174C2×Q8C2×D412yes—
175C2×Q8C2×D414yes—
176C2×D4—22no—
177C2×D4—22no—
178C2×D4—21no—
179C2×D4—21no—
180C2×D4—21no—
181C2×D4—21no—
182C2×D4—21no—
183C2×D4—41no—
184C2×D4—41no—
185C2×D4—41no—
186C2×D4—41no—
187C2×D4C2×D412yes—
188C22×C4—22no—
189C22×C4—22no—
190C22×C4—21no—
191C22×C4—22no—
192C22×C4—22no—
193C22×C4—22no—
194C22×C4—41no—
195C22×C4—41no—
196C22×C4—41no—
197C22×C4—41no—
198C22×C4—41no—
199C22×C4—41no—
200C22×C4—41no—
201C22×C4—41no—
202C22×C4—41no—
203C22×C4C2×D411yescharacteristic
204C22×C4C2×D411yescharacteristic
205C22×C4C2×D411yescharacteristic
206C22×C4C2×D411yescharacteristic
207C22×C4C2×D411yescharacteristic
208C22×C4C2×D411yescharacteristic
209C22×C4C2×D411yescharacteristic
210C22×C4C2×D411yescharacteristic
211C22×C4#4111yescharacteristic
212C22×C4#4111yescharacteristic
213C22×C4#4111yescharacteristic
214C22×C4#4111yescharacteristic
215C22×C4#4111yescharacteristic
216C22×C4C2411yescharacteristic
217Q16—216no—
218SD16—216no—
219M16—22no—
220M16—22no—
221M16—22no—
222M16—22no—
223M16—22no—
224M16—22no—
225M16—22no—
226M16—22no—
227M16—22no—
228M16—22no—
229M16—41no—
230M16—41no—
231M16—41no—
232M16—41no—
233M16C2×D414yes—
234M16C2×D414yes—
235C2×C8—22no—
236C2×C8—22no—
237C2×C8—22no—
238C2×C8—22no—
239C2×C8—22no—
240C2×C8—22no—
241C2×C8—22no—
242C2×C8—22no—
243C2×C8—41no—
244C2×C8—41no—
245C2×C8—41no—
246C2×C8—41no—
247C4⋊C4—22no—
248C4⋊C4—41no—
249C22⋊C4—22no—
250C22⋊C4—41no—
251C42—22no—
252C42—41no—
253C23—22no—
254C23—42no—
255C23—41no—
256C23—41no—
257C23—82no—
258C23#12111yescharacteristic
259C23#12111yescharacteristic
260C23#12311yescharacteristic
261C23#12311yescharacteristic
262C23#12411yescharacteristic
263C23#12411yescharacteristic
264C23C2×#4111yescharacteristic
265Q8—24no—
266Q8—22no—
267Q8—22no—
268Q8—24no—
269Q8—42no—
270Q8—42no—
271Q8—42no—
272Q8—42no—
273Q8—42no—
274Q8—42no—
275Q8—41no—
276Q8—41no—
277D4—22no—
278D4—22no—
279D4—42no—
280D4—42no—
281D4—42no—
282D4—42no—
283D4—41no—
284D4—41no—
285C2×C4—24no—
286C2×C4—22no—
287C2×C4—42no—
288C2×C4—42no—
289C2×C4—41no—
290C2×C4—42no—
291C2×C4—42no—
292C2×C4—42no—
293C2×C4—41no—
294C2×C4—42no—
295C2×C4—42no—
296C2×C4—42no—
297C2×C4—42no—
298C2×C4—42no—
299C2×C4—42no—
300C2×C4—82no—
301C2×C4#12011yescharacteristic
302C2×C4#12011yescharacteristic
303C2×C4#12011yescharacteristic
304C2×C4#12011yescharacteristic
305C2×C4#12111yescharacteristic
306C2×C4#12111yescharacteristic
307C2×C4#12111yescharacteristic
308C2×C4#12111yescharacteristic
309C2×C4#12111yescharacteristic
310C2×C4#12111yescharacteristic
311C2×C4#12111yescharacteristic
312C2×C4#12111yescharacteristic
313C2×C4#12111yescharacteristic
314C2×C4#12111yescharacteristic
315C2×C4#12311yescharacteristic
316C2×C4#12311yescharacteristic
317C2×C4#12311yescharacteristic
318C2×C4#12311yescharacteristic
319C2×C4#12311yescharacteristic
320C2×C4#12311yescharacteristic
321C2×C4#12411yescharacteristic
322C2×C4#12411yescharacteristic
323C2×C4C22×D411yescharacteristic
324C2×C4C22×D411yescharacteristic
325C2×C4C22×D411yescharacteristic
326C2×C4C22×D411yescharacteristic
327C2×C4C2×#4111yescharacteristic
328C2×C4C2×#4111yescharacteristic
329C8—24no—
330C8—24no—
331C8—42no—
332C8—42no—
333C22—22no—
334C22—22no—
335C22—22no—
336C22—41no—
337C22—41no—
338C22—41no—
339C22—41no—
340C22—42no—
341C22—82no—
342C22—82no—
343C22—82no—
344C22#39411yescharacteristic
345C22#39411yescharacteristic
346C22#39411yescharacteristic
347C22#39411yescharacteristic
348C22C2×#12111yescharacteristic
349C22C2×#12311yescharacteristic
350C22C2×#12411yescharacteristic
351C4—42no—
352C4—44no—
353C4—82no—
354C4#39411yescharacteristic
355C4#39411yescharacteristic
356C4#39411yescharacteristic
357C4#39411yescharacteristic
358C4C2×#12011yescharacteristic
359C4C2×#12111yescharacteristic
360C4C2×#12111yescharacteristic
361C4C2×#12311yescharacteristic
362C2—21no—
363C2—21no—
364C2—21no—
365C2—21no—
366C2—21no—
367C2—21no—
368C2—82no—
369C2#204912yesdirect product factor
370C2C2×#39411yescharacteristic
subgroupG/H
center, socleC22#394
commutator, Frattini, cosocleC22×C4C24
prime radicalC22×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#430C2semidirect
4. C2×#419C2semidirect
6. C22×#101C2semidirect
7. #2049C2direct (N × H)
8. C2×#344C2semidirect
25. #430C22semidirect
31. #419C22semidirect
38. C2×#101C22semidirect
40. #344C22semidirect
369. C2#2049direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1372
C2×#4302
C2×#4212
C2×#4192
C2×#4132
C22×#1012
#20492
C2×#3442