Finite Group Databasebeta

← C2×#1814 #20674

Subgroups — C2×#1814 #20674

Order 256.

665 conjugacy classes of subgroups.

The subgroup lattice has 306 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×#131C211yesmaximal, characteristic
2C22×#108C211yesmaximal, characteristic, complemented
3C2×#427C211yesmaximal, characteristic, complemented
4C2×#421C212yesmaximal
5#1814C218yesmaximal, direct product factor
6C2×#344C212yesmaximal, complemented
7C22×#41C2211yescharacteristic
8C2×#131—21no—
9C2×#131—21no—
10C2×#131—22no—
11C2×#131—22no—
12C2×#131C412yescomplemented
13C2×#131C412yescomplemented
14C2×#131C414yescomplemented
15C2×#131C2214yes—
16C22×M16—21no—
17C22×M16C2212yes—
18C22×M16C2211yescharacteristic
19C23×C8—21no—
20C23×C8C2211yescharacteristic
21C2×#117C2212yes—
22C2×#108—21no—
23C2×#108—21no—
24C2×#108—22no—
25C2×#108C2214yescomplemented
26#427—22no—
27#427C2214yescomplemented
28C2×#107—21no—
29C2×#106—21no—
30#421—24no—
31#421C2218yes—
32C2×#104—24no—
33#344C2218yescomplemented
34C2×#41—21no—
35C2×#41—21no—
36C2×#41—21no—
37C2×#41—21no—
38C2×#41—21no—
39C2×#41—21no—
40C2×#41C2×C412yes—
41C2×#41C2×C412yes—
42C2×#41D412yes—
43C2×#41D412yes—
44C2×#41Q812yes—
45C2×#41C2312yes—
46C22×Q8Q811yescharacteristic
47C22×D4—21no—
48C22×D4Q811yescharacteristic
49C23×C4—21no—
50C23×C4C2311yescharacteristic
51#131—24no—
52#131—24no—
53#131—24no—
54#131—24no—
55#131—24no—
56#131—24no—
57#131C2×C418yescomplemented
58#131C2×C418yescomplemented
59C2×M16—21no—
60C2×M16—21no—
61C2×M16—21no—
62C2×M16—22no—
63C2×M16—22no—
64C2×M16—22no—
65C2×M16—24no—
66C2×M16—24no—
67C2×M16—22no—
68C2×M16—22no—
69C2×M16—22no—
70C2×M16—22no—
71C2×M16C2×C412yes—
72C2×M16C2×C412yes—
73C2×M16C2314yes—
74C2×M16C2312yes—
75C22×C8—21no—
76C22×C8—22no—
77C22×C8—22no—
78C22×C8—24no—
79C22×C8—24no—
80C22×C8—22no—
81C22×C8C2×C411yescharacteristic
82C22×C8C2×C411yescharacteristic
83C22×C8C2×C412yes—
84C22×C8D411yescharacteristic
85C22×C8D411yescharacteristic
86C22×C8D411yescharacteristic
87C22×C8D411yescharacteristic
88C22×C8D412yes—
89C22×C8D412yes—
90C22×C8C2312yes—
91#117—22no—
92#117—22no—
93#117—22no—
94#117C2314yes—
95C2×C4⋊C4—22no—
96C2×C22⋊C4—22no—
97C2×C42—22no—
98#108—24no—
99#108—24no—
100#107—24no—
101#106—24no—
102#104—216no—
103C24—21no—
104C24#4111yescharacteristic
105#41—22no—
106#41—22no—
107#41—22no—
108#41—22no—
109#41—22no—
110#41—22no—
111#41—22no—
112#41—22no—
113#41—22no—
114#41—22no—
115#41—22no—
116#41—22no—
117#41C4⋊C414yes—
118#41C4⋊C414yes—
119#41C22×C414yes—
120#41C2×D414yes—
121C2×Q8—21no—
122C2×Q8—21no—
123C2×Q8—21no—
124C2×Q8C4⋊C412yes—
125C2×Q8C4⋊C412yes—
126C2×Q8C2×Q812yes—
127C2×D4—22no—
128C2×D4—22no—
129C2×D4—22no—
130C2×D4—22no—
131C2×D4—22no—
132C2×D4—22no—
133C2×D4—21no—
134C2×D4—21no—
135C2×D4—21no—
136C2×D4C4⋊C412yes—
137C2×D4C4⋊C412yes—
138C2×D4C2×Q812yes—
139C22×C4—21no—
140C22×C4—22no—
141C22×C4—22no—
142C22×C4—22no—
143C22×C4—22no—
144C22×C4—22no—
145C22×C4—22no—
146C22×C4—42no—
147C22×C4C22×C411yescharacteristic
148C22×C4C22×C411yescharacteristic
149C22×C4C2×D411yescharacteristic
150C22×C4C2×D411yescharacteristic
151C22×C4C2×D411yescharacteristic
152C22×C4C2×D411yescharacteristic
153C22×C4C2×D411yescharacteristic
154C22×C4C2×D411yescharacteristic
155C22×C4C2×Q811yescharacteristic
156C22×C4C2×Q811yescharacteristic
157C22×C4#4111yescharacteristic
158C22×C4#4111yescharacteristic
159C22×C4#4111yescharacteristic
160C22×C4C2411yescharacteristic
161M16—22no—
162M16—22no—
163M16—22no—
164M16—28no—
165M16—28no—
166M16—24no—
167M16—24no—
168M16—42no—
169M16—42no—
170M16C22×C414yes—
171C2×C8—22no—
172C2×C8—22no—
173C2×C8—22no—
174C2×C8—28no—
175C2×C8—28no—
176C2×C8—24no—
177C2×C8—42no—
178C2×C8—42no—
179C2×C8C22⋊C411yescharacteristic
180C2×C8C22⋊C411yescharacteristic
181C2×C8C22⋊C412yes—
182C2×C8C22⋊C411yescharacteristic
183C2×C8C22⋊C411yescharacteristic
184C2×C8C22⋊C412yes—
185C2×C8C22⋊C412yes—
186C2×C8C22⋊C412yes—
187C2×C8C22⋊C412yes—
188C2×C8C22⋊C412yes—
189C2×C8C22×C412yes—
190C2×C8C22×C412yes—
191C2×C8C2×D412yes—
192C2×C8C2×D412yes—
193C2×C8C2×D412yes—
194C2×C8C2×D412yes—
195C4⋊C4—24no—
196C4⋊C4—42no—
197C22⋊C4—24no—
198C22⋊C4—42no—
199C42—24no—
200C42—42no—
201C23—22no—
202C23—22no—
203C23—22no—
204C23—42no—
205C23—44no—
206C23#11711yescharacteristic
207C23#11711yescharacteristic
208C23#12111yescharacteristic
209C23#12111yescharacteristic
210C23C22⋊Q811yescharacteristic
211C23C22⋊Q811yescharacteristic
212C23C2×#4111yescharacteristic
213Q8—22no—
214Q8—22no—
215Q8—22no—
216Q8C2×C4⋊C414yes—
217D4—24no—
218D4—24no—
219D4—24no—
220D4—24no—
221D4—22no—
222D4—22no—
223D4—22no—
224D4C2×C4⋊C414yes—
225C2×C4—22no—
226C2×C4—22no—
227C2×C4—22no—
228C2×C4—24no—
229C2×C4—24no—
230C2×C4—24no—
231C2×C4—24no—
232C2×C4—44no—
233C2×C4—84no—
234C2×C4C2×C22⋊C411yescharacteristic
235C2×C4C2×C22⋊C411yescharacteristic
236C2×C4C2×C22⋊C411yescharacteristic
237C2×C4C2×C22⋊C411yescharacteristic
238C2×C4C2×C4⋊C411yescharacteristic
239C2×C4C2×C4⋊C411yescharacteristic
240C2×C4C2×C4⋊C411yescharacteristic
241C2×C4C2×C4⋊C411yescharacteristic
242C2×C4#11711yescharacteristic
243C2×C4#11711yescharacteristic
244C2×C4#12111yescharacteristic
245C2×C4#12111yescharacteristic
246C2×C4#12111yescharacteristic
247C2×C4#12111yescharacteristic
248C2×C4#12111yescharacteristic
249C2×C4#12111yescharacteristic
250C2×C4C22⋊Q811yescharacteristic
251C2×C4C22⋊Q811yescharacteristic
252C2×C4C22⋊Q811yescharacteristic
253C2×C4C22⋊Q811yescharacteristic
254C2×C4C22⋊Q811yescharacteristic
255C2×C4C22⋊Q811yescharacteristic
256C2×C4C23×C411yescharacteristic
257C2×C4C22×D411yescharacteristic
258C2×C4C22×D411yescharacteristic
259C2×C4C22×D411yescharacteristic
260C2×C4C22×Q811yescharacteristic
261C2×C4C2×#4111yescharacteristic
262C8—24no—
263C8—44no—
264C8C2×C22⋊C412yes—
265C8C2×C22⋊C412yes—
266C8C2×C22⋊C412yes—
267C8C2×C22⋊C412yes—
268C22—22no—
269C22—22no—
270C22—22no—
271C22—24no—
272C22—41no—
273C22—41no—
274C22—41no—
275C22—41no—
276C22—44no—
277C22—44no—
278C22—44no—
279C22#38011yescharacteristic
280C22#38011yescharacteristic
281C22#38011yescharacteristic
282C22#38011yescharacteristic
283C22C2×#11711yescharacteristic
284C22C2×#12111yescharacteristic
285C22C2×C22⋊Q811yescharacteristic
286C4—24no—
287C4—84no—
288C4#38011yescharacteristic
289C4#38011yescharacteristic
290C4#38011yescharacteristic
291C4#38011yescharacteristic
292C4C22×C22⋊C411yescharacteristic
293C4C22×C4⋊C411yescharacteristic
294C4C2×#12111yescharacteristic
295C4C2×C22⋊Q811yescharacteristic
296C2—21no—
297C2—21no—
298C2—21no—
299C2—21no—
300C2—21no—
301C2—21no—
302C2—44no—
303C2#181412yesdirect product factor
304C2C2×#38011yescharacteristic
subgroupG/H
centerC2×C4#121
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC22#380
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ 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×#427C2semidirect
5. #1814C2direct (N × H)
6. C2×#344C2semidirect
12. C2×#131C4semidirect
13. C2×#131C4semidirect
14. C2×#131C4semidirect
25. C2×#108C22semidirect
27. #427C22semidirect
33. #344C22semidirect
57. #131C2×C4semidirect
58. #131C2×C4semidirect
303. C2#1814direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1312
C22×#1082
C2×#4272
C2×#4212
#18142
C2×#3442