Finite Group Databasebeta

← C2×#1977 #21245

Subgroups — C2×#1977 #21245

Order 256.

783 conjugacy classes of subgroups.

The subgroup lattice has 282 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C23×SD16C211yesmaximal, characteristic
2C22×#108C211yesmaximal, characteristic, complemented
3C2×#419C211yesmaximal, characteristic, complemented
4C2×#418C211yesmaximal, characteristic
5C22×#101C211yesmaximal, characteristic, complemented
6C22×#100C211yesmaximal, characteristic
7C2×#405C211yesmaximal, characteristic, complemented
8#1977C218yesmaximal, direct product factor
9C23×Q8C2211yescharacteristic
10C23×D4C2211yescharacteristic
11C22×SD16—21no—
12C22×SD16—21no—
13C22×SD16—22no—
14C22×SD16—24no—
15C22×SD16C418yescomplemented
16C22×SD16C2214yes—
17C22×M16C2211yescharacteristic
18C22×M16C2211yescharacteristic
19C22×M16C2211yescharacteristic
20C23×C8C2211yescharacteristic
21C2×#117C2211yescharacteristic
22C2×#108—24no—
23C2×#108C2214yescomplemented
24#419—22no—
25#419C2214yescomplemented
26#418—22no—
27#418C2214yes—
28C2×#103—22no—
29C2×#102—22no—
30C2×#101—24no—
31C2×#101C2214yescomplemented
32C2×#100—24no—
33C2×#100C2214yes—
34#405—22no—
35#405C2214yescomplemented
36C2×#97—21no—
37C2×C4×C8—21no—
38C25—21no—
39C22×Q8—22no—
40C22×Q8—21no—
41C22×Q8—21no—
42C22×Q8—21no—
43C22×Q8—22no—
44C22×Q8—21no—
45C22×Q8—21no—
46C22×Q8—22no—
47C22×Q8C2×C414yes—
48C22×Q8C2312yes—
49C22×D4—21no—
50C22×D4—21no—
51C22×D4—22no—
52C22×D4—21no—
53C22×D4—21no—
54C22×D4—22no—
55C22×D4—22no—
56C22×D4—21no—
57C22×D4C2×C414yes—
58C22×D4C2312yes—
59C23×C4—21no—
60C23×C4C2311yescharacteristic
61C2×SD16—28no—
62C2×SD16—28no—
63C2×SD16—216no—
64C2×SD16—24no—
65C2×SD16—24no—
66C2×SD16—28no—
67C2×SD16C2×C4116yescomplemented
68C2×M16—21no—
69C2×M16—22no—
70C2×M16—21no—
71C2×M16—21no—
72C2×M16—22no—
73C2×M16—22no—
74C2×M16—22no—
75C2×M16—22no—
76C2×M16D414yes—
77C2×M16C2312yes—
78C2×M16C2312yes—
79C2×M16C2312yes—
80C22×C8—21no—
81C22×C8—21no—
82C22×C8—21no—
83C22×C8C2×C414yes—
84C22×C8D411yescharacteristic
85C22×C8D411yescharacteristic
86C22×C8D412yes—
87C22×C8D414yes—
88C22×C8C2312yes—
89#117—21no—
90#117—21no—
91#117D412yes—
92#117C2312yes—
93C2×C4⋊C4D412yes—
94C2×C22⋊C4—21no—
95C2×C42—21no—
96#108—28no—
97#103—28no—
98#102—28no—
99#101—28no—
100#100—28no—
101#97—24no—
102C4×C8—24no—
103C24—24no—
104C24—22no—
105C24—41no—
106C24—41no—
107C24—42no—
108C24—84no—
109C24#4111yescharacteristic
110C2×Q8—24no—
111C2×Q8—22no—
112C2×Q8—24no—
113C2×Q8—24no—
114C2×Q8—24no—
115C2×Q8—24no—
116C2×Q8—22no—
117C2×Q8—22no—
118C2×Q8—22no—
119C2×Q8—22no—
120C2×Q8—41no—
121C2×Q8—41no—
122C2×Q8—42no—
123C2×Q8—42no—
124C2×Q8—42no—
125C2×Q8—42no—
126C2×Q8—42no—
127C2×Q8C22×C414yes—
128C2×D4—24no—
129C2×D4—24no—
130C2×D4—24no—
131C2×D4—24no—
132C2×D4—24no—
133C2×D4—22no—
134C2×D4—22no—
135C2×D4—22no—
136C2×D4—22no—
137C2×D4—22no—
138C2×D4—42no—
139C2×D4—42no—
140C2×D4—41no—
141C2×D4—41no—
142C2×D4—42no—
143C2×D4—42no—
144C2×D4—42no—
145C2×D4C22×C414yes—
146C22×C4—24no—
147C22×C4—22no—
148C22×C4—22no—
149C22×C4—41no—
150C22×C4—41no—
151C22×C4—42no—
152C22×C4C22×C412yes—
153C22×C4C2×D411yescharacteristic
154C22×C4C2×D411yescharacteristic
155C22×C4C2×D412yes—
156C22×C4C2×D411yescharacteristic
157C22×C4C2×D411yescharacteristic
158C22×C4C2×D412yes—
159C22×C4#4111yescharacteristic
160C22×C4#4112yes—
161C22×C4C2411yescharacteristic
162SD16—216no—
163SD16—216no—
164M16—24no—
165M16—22no—
166M16—22no—
167M16—22no—
168M16—22no—
169M16—22no—
170M16—42no—
171M16—42no—
172M16C2×D414yes—
173C2×C8—24no—
174C2×C8—22no—
175C2×C8—22no—
176C2×C8—22no—
177C2×C8—42no—
178C2×C8—42no—
179C2×C8C22⋊C414yes—
180C2×C8C22⋊C414yes—
181C2×C8C22⋊C418yes—
182C2×C8C22×C414yes—
183C2×C8C2×D412yes—
184C2×C8C2×D412yes—
185C2×C8C2×D414yes—
186C4⋊C4—22no—
187C4⋊C4C2×D414yes—
188C22⋊C4—22no—
189C22⋊C4—22no—
190C42—22no—
191C42—22no—
192C23—24no—
193C23—24no—
194C23—42no—
195C23—42no—
196C23—44no—
197C23—44no—
198C23—88no—
199C23—84no—
200C23—88no—
201C23—84no—
202C23—84no—
203C23C4×D412yes—
204C23#12111yescharacteristic
205C23#12111yescharacteristic
206C23#12412yes—
207C23C2×#4111yescharacteristic
208Q8—24no—
209Q8—24no—
210Q8—42no—
211Q8—42no—
212Q8—44no—
213Q8—44no—
214D4—24no—
215D4—24no—
216D4—42no—
217D4—42no—
218D4—44no—
219D4—44no—
220C2×C4—24no—
221C2×C4—24no—
222C2×C4—42no—
223C2×C4—42no—
224C2×C4—44no—
225C2×C4—44no—
226C2×C4—44no—
227C2×C4C2×C22⋊C412yes—
228C2×C4C2×C22⋊C412yes—
229C2×C4C4×D412yes—
230C2×C4C4×D412yes—
231C2×C4C4×D412yes—
232C2×C4#12112yes—
233C2×C4#12112yes—
234C2×C4#12111yescharacteristic
235C2×C4#12111yescharacteristic
236C2×C4#12412yes—
237C2×C4#12712yes—
238C2×C4#12712yes—
239C2×C4C23×C411yescharacteristic
240C2×C4C22×D411yescharacteristic
241C2×C4C22×D411yescharacteristic
242C2×C4C22×D411yescharacteristic
243C2×C4C22×D411yescharacteristic
244C2×C4C2×#4111yescharacteristic
245C8—24no—
246C8—42no—
247C8—42no—
248C8C2×C22⋊C414yes—
249C8C2×C22⋊C414yes—
250C22—24no—
251C22—24no—
252C22—22no—
253C22—22no—
254C22—44no—
255C22—84no—
256C22—84no—
257C22—88no—
258C22—88no—
259C22—84no—
260C22#39012yes—
261C22#39012yes—
262C22#47114yes—
263C22C2×C4×D411yescharacteristic
264C22C2×#12111yescharacteristic
265C22C2×#12411yescharacteristic
266C4—44no—
267C4—44no—
268C4#39012yes—
269C4#39012yes—
270C4C22×C22⋊C411yescharacteristic
271C4C2×C4×D411yescharacteristic
272C4C2×#12111yescharacteristic
273C4C2×#12711yescharacteristic
274C2—21no—
275C2—21no—
276C2—22no—
277C2—84no—
278C2#197714yesdirect product factor
279C2C2×#39011yescharacteristic
280C2C2×#47112yes—
subgroupG/H
center, socleC23#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC23×D4C22
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. C22×#108C2semidirect
3. C2×#419C2semidirect
5. C22×#101C2semidirect
7. C2×#405C2semidirect
8. #1977C2direct (N × H)
15. C22×SD16C4semidirect
23. C2×#108C22semidirect
25. #419C22semidirect
31. C2×#101C22semidirect
35. #405C22semidirect
67. C2×SD16C2×C4semidirect
278. C2#1977direct (N × H)

Maximal subgroups

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

subgroupindex
C23×SD162
C22×#1082
C2×#4192
C2×#4182
C22×#1012
C22×#1002
C2×#4052
#19772