Finite Group Databasebeta

← C2×#1922 #21040

Subgroups — C2×#1922 #21040

Order 256.

427 conjugacy classes of subgroups.

The subgroup lattice has 223 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#427C211yesmaximal, characteristic
2C2×#424C211yesmaximal, characteristic
3C2×#405C211yesmaximal, characteristic
4#1922C218yesmaximal, direct product factor
5C2×#341C211yesmaximal, characteristic
6C2×#339C211yesmaximal, characteristic
7C2×#339C211yesmaximal, characteristic
8C2×#336C211yesmaximal, characteristic
9C22×M16C2211yescharacteristic
10C22×M16C2211yescharacteristic
11C23×C8C2211yescharacteristic
12C23×C8C2211yescharacteristic
13C2×#117C2211yescharacteristic
14C2×#117C2211yescharacteristic
15C22×C42C2211yescharacteristic
16#427C414yescomplemented
17#427C2214yes—
18C2×#107C411yescharacteristic, complemented
19C2×#107C411yescharacteristic, complemented
20C2×#106C411yescharacteristic, complemented
21C2×#106C411yescharacteristic, complemented
22#424—22no—
23#424C2214yes—
24C2×C4⋊C8—21no—
25C2×C4⋊C8—21no—
26#405—22no—
27#405C2214yes—
28C2×#97—21no—
29C2×C4×C8—21no—
30#341C2214yes—
31#339C2214yes—
32#339C2214yes—
33#336C2214yes—
34C23×C4—21no—
35C23×C4C2311yescharacteristic
36C2×M16—21no—
37C2×M16—22no—
38C2×M16—21no—
39C2×M16—22no—
40C2×M16—22no—
41C2×M16Q814yes—
42C2×M16C2312yes—
43C2×M16C2312yes—
44C22×C8—21no—
45C22×C8—22no—
46C22×C8—22no—
47C22×C8—22no—
48C22×C8—22no—
49C22×C8—21no—
50C22×C8C2×C411yescharacteristic
51C22×C8C2×C411yescharacteristic
52C22×C8C2×C412yes—
53C22×C8D412yes—
54C22×C8D411yescharacteristic
55C22×C8D411yescharacteristic
56C22×C8C2312yes—
57C22×C8C2312yes—
58#117—21no—
59#117—21no—
60#117—21no—
61#117—21no—
62#117C2×C412yes—
63#117C2×C412yes—
64#117C2312yes—
65#117C2312yes—
66C2×C4⋊C4C2×C411yescharacteristic
67C2×C4⋊C4C2×C411yescharacteristic
68C2×C4⋊C4C2×C411yescharacteristic
69C2×C4⋊C4C2×C411yescharacteristic
70C2×C22⋊C4—21no—
71C2×C22⋊C4—21no—
72C2×C42—21no—
73C2×C42—21no—
74C2×C42—22no—
75C2×C42—22no—
76C2×C42—21no—
77C2×C42C2312yes—
78#107C2×C414yescomplemented
79#107C2×C414yescomplemented
80#106C2×C414yescomplemented
81#106C2×C414yescomplemented
82C4⋊C8—24no—
83C4⋊C8—24no—
84#97—24no—
85C4×C8—24no—
86C24#4111yescharacteristic
87C22×C4—24no—
88C22×C4—21no—
89C22×C4—21no—
90C22×C4—21no—
91C22×C4—21no—
92C22×C4—22no—
93C22×C4—42no—
94C22×C4—42no—
95C22×C4C22×C411yescharacteristic
96C22×C4C22×C411yescharacteristic
97C22×C4C2×D411yescharacteristic
98C22×C4C2×D411yescharacteristic
99C22×C4C2×Q812yes—
100C22×C4#4112yes—
101C22×C4#4112yes—
102C22×C4#4111yescharacteristic
103C22×C4#4112yes—
104C22×C4C2411yescharacteristic
105M16—24no—
106M16—22no—
107M16—22no—
108M16—22no—
109M16—42no—
110M16C2×Q814yes—
111C2×C8—22no—
112C2×C8—22no—
113C2×C8—24no—
114C2×C8—24no—
115C2×C8—22no—
116C2×C8—22no—
117C2×C8—24no—
118C2×C8—22no—
119C2×C8—22no—
120C2×C8—22no—
121C2×C8—22no—
122C2×C8—22no—
123C2×C8—22no—
124C2×C8—42no—
125C2×C8C22×C412yes—
126C2×C8C22×C412yes—
127C2×C8C2×D412yes—
128C2×C8C2×D412yes—
129C4⋊C4—21no—
130C4⋊C4—21no—
131C4⋊C4—21no—
132C4⋊C4—21no—
133C4⋊C4C22×C412yes—
134C4⋊C4C22×C412yes—
135C4⋊C4C22×C412yes—
136C4⋊C4C22×C412yes—
137C22⋊C4—22no—
138C22⋊C4—22no—
139C22⋊C4—22no—
140C22⋊C4—22no—
141C42—22no—
142C42—22no—
143C42—22no—
144C42—22no—
145C42—22no—
146C42—22no—
147C42—42no—
148C23—22no—
149C23—22no—
150C23C4×D411yescharacteristic
151C23C4×D411yescharacteristic
152C23#12512yes—
153C23#12612yes—
154C23C2×#4111yescharacteristic
155C2×C4—24no—
156C2×C4—22no—
157C2×C4—22no—
158C2×C4—22no—
159C2×C4—22no—
160C2×C4—48no—
161C2×C4—42no—
162C2×C4—42no—
163C2×C4—42no—
164C2×C4—42no—
165C2×C4—42no—
166C2×C4—42no—
167C2×C4#11712yes—
168C2×C4#11712yes—
169C2×C4C4×D411yescharacteristic
170C2×C4C4×D411yescharacteristic
171C2×C4C4×Q812yes—
172C2×C4C4×Q812yes—
173C2×C4C22⋊Q812yes—
174C2×C4C22⋊Q812yes—
175C2×C4#12312yes—
176C2×C4#12312yes—
177C2×C4#12512yes—
178C2×C4#12612yes—
179C2×C4C23×C411yescharacteristic
180C2×C4C22×D411yescharacteristic
181C2×C4C22×Q811yescharacteristic
182C2×C4C2×#4111yescharacteristic
183C2×C4C2×#4111yescharacteristic
184C2×C4C2×#4111yescharacteristic
185C8—22no—
186C8—22no—
187C8—24no—
188C8—22no—
189C8—22no—
190C8—42no—
191C22—24no—
192C22—24no—
193C22—21no—
194C22—21no—
195C22—21no—
196C22—21no—
197C22#38712yes—
198C22#38712yes—
199C22#44312yes—
200C22#44412yes—
201C22C2×C4×D411yescharacteristic
202C22C2×#12511yescharacteristic
203C22C2×#12611yescharacteristic
204C4—44no—
205C4—42no—
206C4—42no—
207C4—42no—
208C4—42no—
209C4#38712yes—
210C4#38712yes—
211C4C2×#11711yescharacteristic
212C4C2×C4×Q811yescharacteristic
213C4C2×C22⋊Q811yescharacteristic
214C4C2×#12311yescharacteristic
215C2—21no—
216C2—21no—
217C2—22no—
218C2#192214yesdirect product factor
219C2C2×#38711yescharacteristic
220C2C2×#44311yescharacteristic
221C2C2×#44411yescharacteristic
subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC23C4×D4
prime radicalC24#41
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C23×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
4. #1922C2direct (N × H)
16. #427C4semidirect
18. C2×#107C4semidirect
19. C2×#107C4semidirect
20. C2×#106C4semidirect
21. C2×#106C4semidirect
78. #107C2×C4semidirect
79. #107C2×C4semidirect
80. #106C2×C4semidirect
81. #106C2×C4semidirect
218. C2#1922direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4272
C2×#4242
C2×#4052
#19222
C2×#3412
C2×#3392
C2×#3362