Finite Group Databasebeta

← C2×#1931 #21074

Subgroups — C2×#1931 #21074

Order 256.

577 conjugacy classes of subgroups.

The subgroup lattice has 264 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#428C211yesmaximal, characteristic, complemented
2C2×#418C211yesmaximal, characteristic
3C22×#102C211yesmaximal, characteristic
4C22×#100C211yesmaximal, characteristic
5C2×#405C211yesmaximal, characteristic, complemented
6#1931C218yesmaximal, direct product factor
7C2×#343C211yesmaximal, characteristic, complemented
8C2×#341C211yesmaximal, characteristic, complemented
9C23×D4C2211yescharacteristic
10C22×M16C2211yescharacteristic
11C22×M16C2211yescharacteristic
12C22×M16C2211yescharacteristic
13C23×C8C2211yescharacteristic
14C2×#117C2211yescharacteristic
15C22×C4⋊C4C2211yescharacteristic
16#428—22no—
17#428C2214yescomplemented
18C2×#107—21no—
19C2×#106—21no—
20#418—22no—
21#418C2214yes—
22C2×#102—21no—
23C2×#102—21no—
24C2×#102—22no—
25C2×#102—21no—
26C2×#102—21no—
27C2×#102C2214yes—
28C2×#100C418yescomplemented
29C2×#100C2214yes—
30#405—22no—
31#405C2214yescomplemented
32C2×#97—21no—
33C2×C4×C8—21no—
34#343C2214yescomplemented
35#341C2214yescomplemented
36C25—21no—
37C22×D4—21no—
38C22×D4—21no—
39C22×D4—21no—
40C22×D4—21no—
41C22×D4—22no—
42C22×D4—22no—
43C22×D4—21no—
44C22×D4—22no—
45C22×D4C2×C414yes—
46C22×D4C2312yes—
47C23×C4—21no—
48C23×C4C2311yescharacteristic
49C2×M16—21no—
50C2×M16—21no—
51C2×M16—22no—
52C2×M16—22no—
53C2×M16—21no—
54C2×M16—22no—
55C2×M16—22no—
56C2×M16C2×C414yes—
57C2×M16C2×C414yes—
58C2×M16C2312yes—
59C2×M16C2312yes—
60C2×M16C2312yes—
61C22×C8—21no—
62C22×C8—21no—
63C22×C8—22no—
64C22×C8—22no—
65C22×C8—21no—
66C22×C8D411yescharacteristic
67C22×C8D411yescharacteristic
68C22×C8D412yes—
69C22×C8C2312yes—
70#117—21no—
71#117—21no—
72#117D412yes—
73#117C2312yes—
74C2×C4⋊C4—21no—
75C2×C4⋊C4—21no—
76C2×C4⋊C4—21no—
77C2×C4⋊C4—21no—
78C2×C4⋊C4—21no—
79C2×C4⋊C4D411yescharacteristic
80C2×C4⋊C4D411yescharacteristic
81C2×C4⋊C4C2312yes—
82C2×C22⋊C4—21no—
83C2×C42—21no—
84#107—24no—
85#106—24no—
86#102—24no—
87#102—24no—
88#102—24no—
89#102—24no—
90#100C2×C4116yescomplemented
91#97—24no—
92C4×C8—24no—
93C24—24no—
94C24—22no—
95C24—41no—
96C24—41no—
97C24—42no—
98C24—82no—
99C24—82no—
100C24#4111yescharacteristic
101C2×D4—24no—
102C2×D4—24no—
103C2×D4—24no—
104C2×D4—24no—
105C2×D4—24no—
106C2×D4—22no—
107C2×D4—22no—
108C2×D4—22no—
109C2×D4—22no—
110C2×D4—22no—
111C2×D4—41no—
112C2×D4—41no—
113C2×D4—42no—
114C2×D4—42no—
115C2×D4—42no—
116C2×D4—42no—
117C2×D4—42no—
118C2×D4C22×C414yes—
119C22×C4—21no—
120C22×C4—21no—
121C22×C4—22no—
122C22×C4—41no—
123C22×C4—41no—
124C22×C4—82no—
125C22×C4C22×C412yes—
126C22×C4C2×D411yescharacteristic
127C22×C4C2×D411yescharacteristic
128C22×C4C2×D411yescharacteristic
129C22×C4C2×D411yescharacteristic
130C22×C4#4111yescharacteristic
131C22×C4#4112yes—
132C22×C4#4112yes—
133C22×C4#4112yes—
134C22×C4C2411yescharacteristic
135M16—24no—
136M16—24no—
137M16—22no—
138M16—22no—
139M16—22no—
140M16—22no—
141M16—42no—
142M16C22×C414yes—
143M16C22×C414yes—
144C2×C8—24no—
145C2×C8—24no—
146C2×C8—22no—
147C2×C8—22no—
148C2×C8—24no—
149C2×C8—22no—
150C2×C8—22no—
151C2×C8—22no—
152C2×C8—22no—
153C2×C8—22no—
154C2×C8—42no—
155C2×C8C2×D412yes—
156C2×C8C2×D412yes—
157C4⋊C4—21no—
158C4⋊C4—21no—
159C4⋊C4—22no—
160C4⋊C4—22no—
161C4⋊C4—41no—
162C4⋊C4—41no—
163C4⋊C4C2×D412yes—
164C4⋊C4C2×D412yes—
165C22⋊C4—22no—
166C22⋊C4—22no—
167C42—22no—
168C42—22no—
169C23—22no—
170C23—22no—
171C23—24no—
172C23—42no—
173C23—42no—
174C23—44no—
175C23—44no—
176C23—88no—
177C23—82no—
178C23—82no—
179C23—88no—
180C23—82no—
181C23—82no—
182C23—82no—
183C23—82no—
184C23#11712yes—
185C23#12111yescharacteristic
186C23#12111yescharacteristic
187C23#12612yes—
188C23C2×#4111yescharacteristic
189D4—24no—
190D4—24no—
191D4—42no—
192D4—42no—
193D4—44no—
194D4—44no—
195C2×C4—22no—
196C2×C4—22no—
197C2×C4—42no—
198C2×C4—42no—
199C2×C4—42no—
200C2×C4—82no—
201C2×C4—82no—
202C2×C4—82no—
203C2×C4#11712yes—
204C2×C4C4×D412yes—
205C2×C4C4×D412yes—
206C2×C4C4×D412yes—
207C2×C4C4×D412yes—
208C2×C4#12111yescharacteristic
209C2×C4#12111yescharacteristic
210C2×C4#12312yes—
211C2×C4#12312yes—
212C2×C4#12412yes—
213C2×C4#12412yes—
214C2×C4#12612yes—
215C2×C4C23×C411yescharacteristic
216C2×C4C22×D411yescharacteristic
217C2×C4C22×D411yescharacteristic
218C2×C4C2×#4111yescharacteristic
219C2×C4C2×#4111yescharacteristic
220C2×C4C2×#4111yescharacteristic
221C8—24no—
222C8—24no—
223C8—22no—
224C8—22no—
225C8—42no—
226C22—24no—
227C22—24no—
228C22—21no—
229C22—21no—
230C22—21no—
231C22—21no—
232C22—44no—
233C22—84no—
234C22—84no—
235C22—88no—
236C22—88no—
237C22—82no—
238C22—82no—
239C22#38812yes—
240C22#38812yes—
241C22#47112yes—
242C22#47212yes—
243C22C2×#11711yescharacteristic
244C22C2×#12111yescharacteristic
245C22C2×#12611yescharacteristic
246C4—42no—
247C4—42no—
248C4—82no—
249C4#38812yes—
250C4#38812yes—
251C4C2×C4×D411yescharacteristic
252C4C2×C4×D411yescharacteristic
253C4C2×#12311yescharacteristic
254C4C2×#12411yescharacteristic
255C2—21no—
256C2—21no—
257C2—22no—
258C2—84no—
259C2#193114yesdirect product factor
260C2C2×#38811yescharacteristic
261C2C2×#47111yescharacteristic
262C2C2×#47211yescharacteristic
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
1. C2×#428C2semidirect
5. C2×#405C2semidirect
6. #1931C2direct (N × H)
7. C2×#343C2semidirect
8. C2×#341C2semidirect
17. #428C22semidirect
28. C2×#100C4semidirect
31. #405C22semidirect
34. #343C22semidirect
35. #341C22semidirect
90. #100C2×C4semidirect
259. C2#1931direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4282
C2×#4182
C22×#1022
C22×#1002
C2×#4052
#19312
C2×#3432
C2×#3412