Finite Group Databasebeta

← C2×#1877 #20920

Subgroups — C2×#1877 #20920

Order 256.

1127 conjugacy classes of subgroups.

The subgroup lattice has 292 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C23×SD16C211yesmaximal, characteristic
2C22×C4×D4C211yesmaximal, characteristic
3C22×#103C211yesmaximal, characteristic, complemented
4C22×#102C211yesmaximal, characteristic
5C2×#391C211yesmaximal, characteristic, complemented
6#1877C218yesmaximal, direct product factor
7C2×#340C211yesmaximal, characteristic, complemented
8C2×#336C211yesmaximal, characteristic, complemented
9C23×Q8C2211yescharacteristic
10C23×D4C2211yescharacteristic
11C24×C4—21no—
12C22×SD16—24no—
13C22×SD16—24no—
14C22×SD16C418yescomplemented
15C22×SD16C2214yes—
16C23×C8C2211yescharacteristic
17C23×C8C2211yescharacteristic
18C2×C4×D4—24no—
19C2×C4×D4—24no—
20C2×C4×D4—22no—
21C2×C4×D4C2214yes—
22C22×C4⋊C4C2211yescharacteristic
23C22×C4⋊C4C2211yescharacteristic
24C22×C22⋊C4—21no—
25C22×C42C2211yescharacteristic
26C2×#103—24no—
27C2×#103C2214yescomplemented
28C2×#102—24no—
29C2×#102C2214yes—
30#391—22no—
31#391C2214yescomplemented
32C2×#95—21no—
33C2×#95—21no—
34#340C2214yescomplemented
35#336C2214yescomplemented
36C25—21no—
37C22×Q8—21no—
38C22×Q8—22no—
39C22×Q8—22no—
40C22×Q8—22no—
41C22×Q8—22no—
42C22×Q8—22no—
43C22×Q8C2×C414yescomplemented
44C22×Q8C2312yes—
45C22×D4—21no—
46C22×D4—22no—
47C22×D4—22no—
48C22×D4—22no—
49C22×D4C2×C414yes—
50C22×D4D414yes—
51C22×D4D414yes—
52C22×D4C2312yes—
53C23×C4—28no—
54C23×C4—21no—
55C23×C4—21no—
56C23×C4—24no—
57C23×C4—21no—
58C23×C4—44no—
59C23×C4—44no—
60C23×C4D411yescharacteristic
61C23×C4D411yescharacteristic
62C23×C4C2311yescharacteristic
63C2×SD16—232no—
64C2×SD16—28no—
65C2×SD16—28no—
66C2×SD16C2×C4116yescomplemented
67C22×C8—22no—
68C22×C8—22no—
69C22×C8—22no—
70C22×C8—22no—
71C22×C8—22no—
72C22×C8C2×C414yescomplemented
73C22×C8C2312yes—
74C22×C8C2312yes—
75C4×D4—216no—
76C4×D4—28no—
77C4×D4—28no—
78C2×C4⋊C4—21no—
79C2×C4⋊C4—22no—
80C2×C4⋊C4—22no—
81C2×C4⋊C4—22no—
82C2×C4⋊C4—21no—
83C2×C4⋊C4D414yes—
84C2×C4⋊C4C2312yes—
85C2×C4⋊C4C2312yes—
86C2×C22⋊C4—28no—
87C2×C22⋊C4—24no—
88C2×C42—22no—
89C2×C42—22no—
90C2×C42D412yes—
91C2×C42C2312yes—
92#103—28no—
93#102—28no—
94#95—24no—
95#95—24no—
96C24—24no—
97C24—24no—
98C24—24no—
99C24—22no—
100C24—42no—
101C24—42no—
102C24—42no—
103C24—42no—
104C24C2×D411yescharacteristic
105C2×Q8—24no—
106C2×Q8—22no—
107C2×Q8—28no—
108C2×Q8—28no—
109C2×Q8—22no—
110C2×Q8—22no—
111C2×Q8—22no—
112C2×Q8—22no—
113C2×Q8—42no—
114C2×Q8—42no—
115C2×Q8—44no—
116C2×Q8—44no—
117C2×Q8C22×C414yescomplemented
118C2×D4—28no—
119C2×D4—24no—
120C2×D4—24no—
121C2×D4—28no—
122C2×D4—24no—
123C2×D4—28no—
124C2×D4—22no—
125C2×D4—22no—
126C2×D4—22no—
127C2×D4C22⋊C4116yes—
128C2×D4C22×C414yes—
129C2×D4C2×D414yes—
130C2×D4C2×D414yes—
131C22×C4—22no—
132C22×C4—22no—
133C22×C4—216no—
134C22×C4—24no—
135C22×C4—22no—
136C22×C4—24no—
137C22×C4—22no—
138C22×C4—22no—
139C22×C4—22no—
140C22×C4—22no—
141C22×C4—22no—
142C22×C4—48no—
143C22×C4—432no—
144C22×C4—42no—
145C22×C4—42no—
146C22×C4—42no—
147C22×C4—42no—
148C22×C4—48no—
149C22×C4—42no—
150C22×C4—42no—
151C22×C4—42no—
152C22×C4SD1614yescomplemented
153C22×C4C22×C412yes—
154C22×C4C2×D412yes—
155C22×C4C2×D412yes—
156C22×C4C2×D412yes—
157C22×C4C2×D412yes—
158C22×C4C2×D411yescharacteristic
159C22×C4C2×D412yes—
160C22×C4#4112yes—
161C22×C4#4112yes—
162C22×C4C2411yescharacteristic
163SD16—232no—
164C2×C8—28no—
165C2×C8—22no—
166C2×C8—22no—
167C2×C8—22no—
168C2×C8—22no—
169C2×C8—22no—
170C2×C8—44no—
171C2×C8C22×C414yescomplemented
172C4⋊C4—24no—
173C4⋊C4—22no—
174C4⋊C4—22no—
175C4⋊C4—22no—
176C4⋊C4—42no—
177C4⋊C4C2×D414yes—
178C22⋊C4—216no—
179C42—24no—
180C42—22no—
181C42—22no—
182C23—24no—
183C23—24no—
184C23—24no—
185C23—216no—
186C23—42no—
187C23—42no—
188C23—42no—
189C23—42no—
190C23—48no—
191C23—48no—
192C23—48no—
193C23—48no—
194C23—48no—
195C23—48no—
196C23C4×D412yes—
197C23#12012yes—
198C23#12112yes—
199C23C2×SD1612yes—
200C23#13512yes—
201C23AGL(1,ℤ/8)12yes—
202C23#13712yes—
203C23C22×D411yescharacteristic
204Q8—24no—
205Q8—24no—
206Q8—42no—
207Q8—42no—
208Q8—48no—
209D4—24no—
210D4—24no—
211D4—24no—
212D4—216no—
213D4C2×C22⋊C418yes—
214C2×C4—22no—
215C2×C4—22no—
216C2×C4—28no—
217C2×C4—24no—
218C2×C4—22no—
219C2×C4—24no—
220C2×C4—22no—
221C2×C4—22no—
222C2×C4—432no—
223C2×C4—42no—
224C2×C4—42no—
225C2×C4—42no—
226C2×C4—42no—
227C2×C4—48no—
228C2×C4—48no—
229C2×C4—44no—
230C2×C4—42no—
231C2×C4—42no—
232C2×C4—42no—
233C2×C4—84no—
234C2×C4C2×C22⋊C414yes—
235C2×C4C4×D414yes—
236C2×C4C4×D412yes—
237C2×C4#12012yes—
238C2×C4#12114yes—
239C2×C4#12112yes—
240C2×C4#12314yes—
241C2×C4C2×SD1614yescomplemented
242C2×C4C23×C411yescharacteristic
243C2×C4C22×D411yescharacteristic
244C2×C4C22×D411yescharacteristic
245C2×C4C22×D411yescharacteristic
246C2×C4C2×#4111yescharacteristic
247C2×C4C2×#4111yescharacteristic
248C8—24no—
249C8—42no—
250C22—28no—
251C22—432no—
252C22—44no—
253C22—44no—
254C22—44no—
255C22—44no—
256C22—44no—
257C22—44no—
258C22#38614yes—
259C22C4×SD1614yes—
260C22#44014yes—
261C22#45014yes—
262C22#45214yes—
263C22#46114yes—
264C22#46314yes—
265C22C2×C4×D411yescharacteristic
266C22C2×#12011yescharacteristic
267C22C2×#12111yescharacteristic
268C22C22×SD1611yescharacteristic
269C22C2×#13511yescharacteristic
270C22C2×AGL(1,ℤ/8)11yescharacteristic
271C22C2×#13711yescharacteristic
272C4—24no—
273C4—44no—
274C4—42no—
275C4—44no—
276C4—82no—
277C4#38614yes—
278C4C22×C22⋊C411yescharacteristic
279C4C2×C4×D411yescharacteristic
280C4C2×#12111yescharacteristic
281C4C2×#12311yescharacteristic
282C2—48no—
283C2#187718yesdirect product factor
284C2C2×#38611yescharacteristic
285C2C2×C4×SD1611yescharacteristic
286C2C2×#44011yescharacteristic
287C2C2×#45011yescharacteristic
288C2C2×#45211yescharacteristic
289C2C2×#46111yescharacteristic
290C2C2×#46311yescharacteristic
subgroupG/H
center, socleC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC23×D4C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
3. C22×#103C2semidirect
5. C2×#391C2semidirect
6. #1877C2direct (N × H)
7. C2×#340C2semidirect
8. C2×#336C2semidirect
14. C22×SD16C4semidirect
27. C2×#103C22semidirect
31. #391C22semidirect
34. #340C22semidirect
35. #336C22semidirect
43. C22×Q8C2×C4semidirect
66. C2×SD16C2×C4semidirect
72. C22×C8C2×C4semidirect
117. C2×Q8C22×C4semidirect
152. C22×C4SD16semidirect
171. C2×C8C22×C4semidirect
241. C2×C4C2×SD16semidirect
283. C2#1877direct (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×C4×D42
C22×#1032
C22×#1022
C2×#3912
#18772
C2×#3402
C2×#3362