Finite Group Databasebeta

← C4×#481 #21574

Subgroups — C4×#481 #21574

Order 256.

530 conjugacy classes of subgroups.

The subgroup lattice has 267 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#481C211yesmaximal, characteristic
2C4×#121C211yesmaximal, characteristic
3C2×C4×C4⋊C4C211yesmaximal, characteristic, complemented
4#1926C212yesmaximal, complemented
5#1919C212yesmaximal, complemented
6#1874C211yesmaximal, characteristic
7#1853C211yesmaximal, characteristic, complemented
8#1824C211yesmaximal, characteristic, complemented
9C4×#106C212yesmaximal, complemented
10C4×#102C212yesmaximal, complemented
11C4×C22⋊C8C211yesmaximal, characteristic, complemented
12C2×#121C2211yescharacteristic
13C2×C4×D4—21no—
14C2×C4×D4C2211yescharacteristic
15C22×C4⋊C4C2211yescharacteristic
16C22×C4⋊C4C2211yescharacteristic
17C22×C42—21no—
18C22×C42C2211yescharacteristic
19#481C418yesdirect product factor
20C2×#106C2212yes—
21C2×#106C2212yes—
22C2×#102C2212yes—
23C2×#102C2212yes—
24C2×C22⋊C8C2211yescharacteristic
25C2×C22⋊C8C2211yescharacteristic
26C2×C4×C8C2212yes—
27#390C2211yescharacteristic
28#389C2211yescharacteristic
29#388—21no—
30#386—21no—
31#380C2211yescharacteristic
32C4×C4⋊C4—21no—
33C4×C4⋊C4—21no—
34C4×C4⋊C4C2212yes—
35C4×C4⋊C4C2212yes—
36C4×C4⋊C4C2211yescharacteristic
37C4×C22⋊C4—21no—
38C2×#95—21no—
39#340C2212yes—
40#340C2212yes—
41#340C2212yes—
42#340C2212yes—
43#336C2212yes—
44C22×D4—21no—
45C22×D4C2311yescharacteristic
46C23×C4—21no—
47C23×C4—21no—
48C23×C4—21no—
49C23×C4D411yescharacteristic
50C23×C4D411yescharacteristic
51C23×C4C2311yescharacteristic
52C22×C8C2312yes—
53C22×C8C2312yes—
54#121—22no—
55#121C2×C414yes—
56C4×D4—24no—
57C4×D4—44no—
58C2×C4⋊C4—21no—
59C2×C4⋊C4—21no—
60C2×C4⋊C4—22no—
61C2×C4⋊C4—24no—
62C2×C4⋊C4—21no—
63C2×C4⋊C4C2×C414yescomplemented
64C2×C4⋊C4C2311yescharacteristic
65C2×C4⋊C4C2311yescharacteristic
66C2×C4⋊C4C2312yes—
67C2×C4⋊C4C2311yescharacteristic
68C2×C4⋊C4C2312yes—
69C2×C22⋊C4—21no—
70C2×C22⋊C4—21no—
71C2×C22⋊C4—21no—
72C2×C22⋊C4—21no—
73C2×C22⋊C4—21no—
74C2×C42—24no—
75C2×C42—22no—
76C2×C42—21no—
77C2×C42—22no—
78C2×C42—44no—
79C2×C42D411yescharacteristic
80C2×C42D411yescharacteristic
81C2×C42C2311yescharacteristic
82C2×C42C2311yescharacteristic
83#106—24no—
84#106C2×C418yescomplemented
85#102—24no—
86#102C2×C418yescomplemented
87C22⋊C8—22no—
88C22⋊C8C2×C414yescomplemented
89C4×C8—24no—
90#95—22no—
91#95—22no—
92#95—21no—
93#95—21no—
94#95—21no—
95C24—21no—
96C24C2×D411yescharacteristic
97C2×D4—24no—
98C2×D4—22no—
99C2×D4—22no—
100C2×D4—21no—
101C2×D4—42no—
102C2×D4—42no—
103C2×D4C22×C412yes—
104C22×C4—22no—
105C22×C4—22no—
106C22×C4—22no—
107C22×C4—22no—
108C22×C4—24no—
109C22×C4—24no—
110C22×C4—22no—
111C22×C4—22no—
112C22×C4—22no—
113C22×C4—21no—
114C22×C4—22no—
115C22×C4—21no—
116C22×C4—21no—
117C22×C4—41no—
118C22×C4—42no—
119C22×C4—42no—
120C22×C4—42no—
121C22×C4—42no—
122C22×C4—42no—
123C22×C4—42no—
124C22×C4—42no—
125C22×C4SD1614yes—
126C22×C4C22×C412yes—
127C22×C4C2×D411yescharacteristic
128C22×C4C2×D411yescharacteristic
129C22×C4C2×D411yescharacteristic
130C22×C4C2×D411yescharacteristic
131C22×C4C2×D411yescharacteristic
132C22×C4#4112yes—
133C22×C4C2411yescharacteristic
134C2×C8—22no—
135C2×C8—22no—
136C2×C8—22no—
137C2×C8—22no—
138C2×C8—22no—
139C2×C8C22×C414yes—
140C4⋊C4—24no—
141C4⋊C4—24no—
142C4⋊C4—22no—
143C4⋊C4—22no—
144C4⋊C4—21no—
145C4⋊C4—22no—
146C4⋊C4—22no—
147C4⋊C4—42no—
148C4⋊C4C22×C414yes—
149C4⋊C4C22×C412yes—
150C4⋊C4#4114yes—
151C22⋊C4—24no—
152C22⋊C4—42no—
153C22⋊C4—42no—
154C22⋊C4—42no—
155C22⋊C4—42no—
156C42—22no—
157C42—22no—
158C42—22no—
159C42—44no—
160C42—42no—
161C42—44no—
162C42#4114yes—
163C23—21no—
164C23—21no—
165C23—21no—
166C23—21no—
167C23—22no—
168C23—41no—
169C23—41no—
170C23—41no—
171C23—41no—
172C23—41no—
173C23—41no—
174C23C4×D412yes—
175C23C2×SD1612yes—
176C23#13512yes—
177C23C22×D411yescharacteristic
178D4—24no—
179D4—48no—
180D4—42no—
181C2×C4—21no—
182C2×C4—21no—
183C2×C4—21no—
184C2×C4—21no—
185C2×C4—21no—
186C2×C4—21no—
187C2×C4—24no—
188C2×C4—24no—
189C2×C4—28no—
190C2×C4—22no—
191C2×C4—24no—
192C2×C4—21no—
193C2×C4—24no—
194C2×C4—21no—
195C2×C4—21no—
196C2×C4—44no—
197C2×C4—48no—
198C2×C4—48no—
199C2×C4—41no—
200C2×C4—42no—
201C2×C4—41no—
202C2×C4—42no—
203C2×C4—42no—
204C2×C4—42no—
205C2×C4—41no—
206C2×C4—41no—
207C2×C4—41no—
208C2×C4—41no—
209C2×C4—41no—
210C2×C4—41no—
211C2×C4—84no—
212C2×C4C4×D412yes—
213C2×C4#12312yes—
214C2×C4#12312yes—
215C2×C4C2×SD1612yes—
216C2×C4C2×SD1612yes—
217C2×C4AGL(1,ℤ/8)12yes—
218C2×C4C23×C411yescharacteristic
219C2×C4C2×#4112yes—
220C2×C4C2×#4112yes—
221C2×C4C2×#4111yescharacteristic
222C8—24no—
223C8—42no—
224C22—22no—
225C22—22no—
226C22—22no—
227C22—22no—
228C22—22no—
229C22—22no—
230C22—42no—
231C22—42no—
232C22—42no—
233C22—81no—
234C22—81no—
235C22—81no—
236C22—81no—
237C22C4×SD1614yes—
238C22C2×C4×D411yescharacteristic
239C22C2×#12311yescharacteristic
240C22#52511yescharacteristic
241C22C22×SD1611yescharacteristic
242C22C2×#13511yescharacteristic
243C22C2×AGL(1,ℤ/8)11yescharacteristic
244C22#57511yescharacteristic
245C4—22no—
246C4—22no—
247C4—22no—
248C4—41no—
249C4—44no—
250C4—42no—
251C4—44no—
252C4—81no—
253C4—81no—
254C4#48114yesdirect product factor
255C4C4×#4112yes—
256C4#52912yes—
257C2—24no—
258C2—82no—
259C2C4×#12311yescharacteristic
260C2C2×C4×SD1611yescharacteristic
261C2C4×AGL(1,ℤ/8)11yescharacteristic
262C2C2×#48111yescharacteristic
263C2#309111yescharacteristic
264C2#310311yescharacteristic
265C2#310511yescharacteristic
subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC23C22×D4
prime radicalC2×#121C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
3. C2×C4×C4⋊C4C2semidirect
4. #1926C2semidirect
5. #1919C2semidirect
7. #1853C2semidirect
8. #1824C2semidirect
9. C4×#106C2semidirect
10. C4×#102C2semidirect
11. C4×C22⋊C8C2semidirect
19. #481C4direct (N × H)
63. C2×C4⋊C4C2×C4semidirect
84. #106C2×C4semidirect
86. #102C2×C4semidirect
88. C22⋊C8C2×C4semidirect
254. C4#481direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4812
C4×#1212
C2×C4×C4⋊C42
#19262
#19192
#18742
#18532
#18242
C4×#1062
C4×#1022
C4×C22⋊C82