Finite Group Databasebeta

← C2×#1860 #20862

Subgroups — C2×#1860 #20862

Order 256.

739 conjugacy classes of subgroups.

The subgroup lattice has 297 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#520C211yesmaximal, characteristic
2C2×#428C211yesmaximal, characteristic, complemented
3C22×#104C211yesmaximal, characteristic
4C2×#417C211yesmaximal, characteristic
5C2×#382C211yesmaximal, characteristic, complemented
6#1860C218yesmaximal, direct product factor
7C2×#343C211yesmaximal, characteristic, complemented
8C2×#339C211yesmaximal, characteristic, complemented
9C22×#41C2211yescharacteristic
10C22×M16C2211yescharacteristic
11C22×M16C2211yescharacteristic
12#520—22no—
13#520—22no—
14#520—22no—
15#520C2214yes—
16C2×C4×Q8—21no—
17C2×C4×D4—21no—
18C2×C4×D4—22no—
19C2×#117—21no—
20C2×#117C2211yescharacteristic
21C22×C4⋊C4—21no—
22C22×C4⋊C4C2211yescharacteristic
23C22×C4⋊C4C2211yescharacteristic
24C22×C42C2211yescharacteristic
25#428—22no—
26#428C2214yescomplemented
27C2×#107—21no—
28C2×#106—21no—
29C2×#104C418yescomplemented
30C2×#104C2214yes—
31#417—22no—
32#417C2214yes—
33C2×#103—21no—
34C2×#102—21no—
35#382—22no—
36#382C2214yescomplemented
37C2×#95—22no—
38#343C2214yescomplemented
39#339C2214yescomplemented
40C2×#41—21no—
41C2×#41—21no—
42C2×#41—22no—
43C2×#41—22no—
44C2×#41C2×C414yes—
45C2×#41D412yes—
46C2×#41Q814yes—
47C2×#41C2312yes—
48C22×Q8D411yescharacteristic
49C22×D4—21no—
50C22×D4D411yescharacteristic
51C23×C4—21no—
52C23×C4—21no—
53C23×C4—22no—
54C23×C4—21no—
55C23×C4D412yes—
56C23×C4C2311yescharacteristic
57C2×M16—21no—
58C2×M16—22no—
59C2×M16—21no—
60C2×M16—22no—
61C2×M16—22no—
62C2×M16C2×C414yescomplemented
63C2×M16C2312yes—
64C2×M16C2312yes—
65C22×C8—21no—
66C22×C8—21no—
67C4×Q8—24no—
68C4×Q8—24no—
69C4×D4—28no—
70C4×D4—24no—
71C4×D4—24no—
72C4×D4—28no—
73#117—24no—
74#117—21no—
75#117—21no—
76#117—24no—
77#117D412yes—
78#117C2312yes—
79C2×C4⋊C4—22no—
80C2×C4⋊C4—24no—
81C2×C4⋊C4—21no—
82C2×C4⋊C4—21no—
83C2×C4⋊C4—21no—
84C2×C4⋊C4—21no—
85C2×C4⋊C4—24no—
86C2×C4⋊C4—21no—
87C2×C4⋊C4—21no—
88C2×C4⋊C4—21no—
89C2×C4⋊C4—21no—
90C2×C4⋊C4—21no—
91C2×C4⋊C4D412yes—
92C2×C4⋊C4D411yescharacteristic
93C2×C4⋊C4D411yescharacteristic
94C2×C4⋊C4C2312yes—
95C2×C4⋊C4C2312yes—
96C2×C22⋊C4—22no—
97C2×C22⋊C4—21no—
98C2×C42—22no—
99C2×C42—21no—
100C2×C42—21no—
101C2×C42—22no—
102C2×C42C2×C414yescomplemented
103C2×C42C2312yes—
104#107—24no—
105#106—24no—
106#104C2×C4116yescomplemented
107#103—24no—
108#102—24no—
109#95—28no—
110C24—21no—
111C24C2×D411yescharacteristic
112#41—24no—
113#41—24no—
114#41—24no—
115#41—24no—
116#41—24no—
117#41—22no—
118#41—22no—
119#41C4⋊C418yes—
120#41C22×C414yes—
121#41C2×Q814yes—
122C2×Q8—21no—
123C2×Q8—22no—
124C2×Q8C4⋊C414yes—
125C2×Q8C2×D412yes—
126C2×D4—24no—
127C2×D4—22no—
128C2×D4—24no—
129C2×D4—22no—
130C2×D4—21no—
131C2×D4—22no—
132C2×D4C4⋊C414yes—
133C2×D4C2×D412yes—
134C22×C4—21no—
135C22×C4—24no—
136C22×C4—22no—
137C22×C4—24no—
138C22×C4—22no—
139C22×C4—24no—
140C22×C4—21no—
141C22×C4—22no—
142C22×C4—21no—
143C22×C4—22no—
144C22×C4—28no—
145C22×C4—22no—
146C22×C4—22no—
147C22×C4—42no—
148C22×C4—42no—
149C22×C4—44no—
150C22×C4—44no—
151C22×C4—41no—
152C22×C4—41no—
153C22×C4—84no—
154C22×C4C22×C412yes—
155C22×C4C2×D414yes—
156C22×C4C2×D411yescharacteristic
157C22×C4C2×D411yescharacteristic
158C22×C4C2×D411yescharacteristic
159C22×C4C2×D411yescharacteristic
160C22×C4C2×D411yescharacteristic
161C22×C4C2×Q812yes—
162C22×C4#4112yes—
163C22×C4#4112yes—
164C22×C4C2411yescharacteristic
165M16—24no—
166M16—22no—
167M16—22no—
168M16—22no—
169M16—42no—
170M16C22×C414yescomplemented
171C2×C8—24no—
172C2×C8—22no—
173C2×C8—22no—
174C2×C8—42no—
175C4⋊C4—28no—
176C4⋊C4—22no—
177C4⋊C4—21no—
178C4⋊C4—22no—
179C4⋊C4—21no—
180C4⋊C4—22no—
181C4⋊C4—22no—
182C4⋊C4—22no—
183C4⋊C4—22no—
184C4⋊C4—41no—
185C4⋊C4—41no—
186C4⋊C4C2×D412yes—
187C4⋊C4C2×D412yes—
188C22⋊C4—28no—
189C22⋊C4—22no—
190C22⋊C4—22no—
191C42—28no—
192C42—24no—
193C42—22no—
194C42—22no—
195C42—22no—
196C42C22×C414yescomplemented
197C23—22no—
198C23—22no—
199C23—22no—
200C23—24no—
201C23—42no—
202C23—42no—
203C23C4×D412yes—
204C23#12011yescharacteristic
205C23#12011yescharacteristic
206C23C22⋊Q812yes—
207C23C22×D411yescharacteristic
208Q8—22no—
209Q8—24no—
210Q8C2×C4⋊C414yes—
211D4—24no—
212D4—24no—
213D4—28no—
214D4—22no—
215D4—24no—
216D4C2×C4⋊C414yes—
217C2×C4—22no—
218C2×C4—24no—
219C2×C4—24no—
220C2×C4—24no—
221C2×C4—28no—
222C2×C4—24no—
223C2×C4—22no—
224C2×C4—24no—
225C2×C4—22no—
226C2×C4—48no—
227C2×C4—42no—
228C2×C4—42no—
229C2×C4—42no—
230C2×C4—44no—
231C2×C4—42no—
232C2×C4—44no—
233C2×C4—44no—
234C2×C4—42no—
235C2×C4—82no—
236C2×C4—88no—
237C2×C4—82no—
238C2×C4—82no—
239C2×C4C2×C4⋊C412yes—
240C2×C4C2×C4⋊C412yes—
241C2×C4C4×D412yes—
242C2×C4C4×D412yes—
243C2×C4C4×D412yes—
244C2×C4#12011yescharacteristic
245C2×C4#12011yescharacteristic
246C2×C4C22⋊Q812yes—
247C2×C4C22⋊Q812yes—
248C2×C4C22⋊Q812yes—
249C2×C4#12312yes—
250C2×C4#12312yes—
251C2×C4C23×C411yescharacteristic
252C2×C4C22×D411yescharacteristic
253C2×C4C22×D411yescharacteristic
254C2×C4C22×Q811yescharacteristic
255C2×C4C2×#4111yescharacteristic
256C2×C4C2×#4111yescharacteristic
257C8—24no—
258C8—42no—
259C22—24no—
260C22—24no—
261C22—21no—
262C22—21no—
263C22—21no—
264C22—21no—
265C22—24no—
266C22—48no—
267C22—42no—
268C22—42no—
269C22#38512yes—
270C22#38512yes—
271C22#45412yes—
272C22#45512yes—
273C22C2×C4×D411yescharacteristic
274C22C2×#12011yescharacteristic
275C22C2×C22⋊Q811yescharacteristic
276C4—24no—
277C4—44no—
278C4—44no—
279C4—42no—
280C4—42no—
281C4—82no—
282C4#38512yes—
283C4#38512yes—
284C4C22×C4⋊C411yescharacteristic
285C4C2×C4×D411yescharacteristic
286C4C2×C22⋊Q811yescharacteristic
287C4C2×#12311yescharacteristic
288C2—21no—
289C2—21no—
290C2—22no—
291C2—44no—
292C2#186014yesdirect product factor
293C2C2×#38511yescharacteristic
294C2C2×#45511yescharacteristic
295C2C2×#45411yescharacteristic
subgroupG/H
center, socleC23#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#428C2semidirect
5. C2×#382C2semidirect
6. #1860C2direct (N × H)
7. C2×#343C2semidirect
8. C2×#339C2semidirect
26. #428C22semidirect
29. C2×#104C4semidirect
36. #382C22semidirect
38. #343C22semidirect
39. #339C22semidirect
62. C2×M16C2×C4semidirect
102. C2×C42C2×C4semidirect
106. #104C2×C4semidirect
170. M16C22×C4semidirect
196. C42C22×C4semidirect
292. C2#1860direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5202
C2×#4282
C22×#1042
C2×#4172
C2×#3822
#18602
C2×#3432
C2×#3392