Finite Group Databasebeta

← C2×#1644 #18483

Subgroups — C2×#1644 #18483

Order 256.

511 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 511 conjugacy classes of subgroups — too many to draw. Only its 143 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#554C211yesmaximal, characteristic
2C2×#487C211yesmaximal, characteristic, complemented
3C2×#474C211yesmaximal, characteristic
4C2×#462C211yesmaximal, characteristic, complemented
5#1644C218yesmaximal, direct product factor
6C2×#333C211yesmaximal, characteristic, complemented
7C2×Q8⋊C8C211yesmaximal, characteristic, complemented
8C2×D4⋊C8C211yesmaximal, characteristic
9C22×Q16—21no—
10#554—22no—
11#554—22no—
12#554—22no—
13#554C2214yes—
14C2×C4⋊Q8C2211yescharacteristic
15C2×C4⋊Q8C2211yescharacteristic
16C2×#125—21no—
17C2×C22⋊Q8—21no—
18C2×C22⋊Q8—22no—
19C2×C4×Q8C2211yescharacteristic
20C2×C4×D4—21no—
21C2×C4×D4C2211yescharacteristic
22C22×C4⋊C4—21no—
23#487—22no—
24#487C2214yescomplemented
25#474—22no—
26#474C2214yes—
27#462—22no—
28#462C2214yescomplemented
29C2×#107—21no—
30C2×C4⋊C8C2211yescharacteristic
31C2×C4⋊C8C2211yescharacteristic
32C2×#103—22no—
33C2×#103—21no—
34C2×#102—21no—
35C2×C4×C8C2211yescharacteristic
36#333C2214yescomplemented
37Q8⋊C8C2214yescomplemented
38D4⋊C8C2214yes—
39C22×Q8—21no—
40C22×Q8D411yescharacteristic
41C22×Q8D412yes—
42C22×D4D411yescharacteristic
43C23×C4—22no—
44C23×C4—21no—
45C2×Q16—24no—
46C2×Q16—44no—
47C22×C8—21no—
48C22×C8—21no—
49C22×C8—21no—
50C4⋊Q8—21no—
51C4⋊Q8—21no—
52C4⋊Q8—21no—
53C4⋊Q8—21no—
54C4⋊Q8—21no—
55C4⋊Q8D412yes—
56C4⋊Q8C2312yes—
57C4⋊Q8C2312yes—
58#125—24no—
59#125—24no—
60C22⋊Q8—24no—
61C22⋊Q8—28no—
62C22⋊Q8—24no—
63C22⋊Q8—28no—
64C4×Q8—21no—
65C4×Q8—21no—
66C4×Q8D412yes—
67C4×Q8C2312yes—
68C4×D4—24no—
69C4×D4—24no—
70C4×D4—21no—
71C4×D4—21no—
72C4×D4D412yes—
73C4×D4C2312yes—
74C2×C4⋊C4—22no—
75C2×C4⋊C4—24no—
76C2×C4⋊C4—22no—
77C2×C4⋊C4—21no—
78C2×C4⋊C4—21no—
79C2×C4⋊C4—21no—
80C2×C4⋊C4—24no—
81C2×C4⋊C4—21no—
82C2×C4⋊C4—21no—
83C2×C4⋊C4D411yescharacteristic
84C2×C4⋊C4D411yescharacteristic
85C2×C22⋊C4—22no—
86C2×C22⋊C4—21no—
87C2×C42—21no—
88C2×C42C2311yescharacteristic
89#107—24no—
90C4⋊C8—21no—
91C4⋊C8—21no—
92C4⋊C8C2312yes—
93C4⋊C8C2312yes—
94#103—28no—
95#103—24no—
96#102—24no—
97C4×C8—21no—
98C4×C8C2312yes—
99C24—21no—
100C2×Q8—21no—
101C2×Q8—22no—
102C2×Q8—22no—
103C2×Q8—22no—
104C2×Q8—22no—
105C2×Q8—44no—
106C2×Q8—41no—
107C2×Q8—42no—
108C2×Q8—42no—
109C2×Q8C2×D412yes—
110C2×Q8C2×D414yes—
111C2×D4—21no—
112C2×D4—22no—
113C2×D4Q1614yescomplemented
114C2×D4C2×D412yes—
115C22×C4—21no—
116C22×C4—21no—
117C22×C4—21no—
118C22×C4—22no—
119C22×C4—28no—
120C22×C4—22no—
121C22×C4—22no—
122C22×C4—42no—
123C22×C4—42no—
124C22×C4—41no—
125C22×C4—84no—
126C22×C4C2×D411yescharacteristic
127C22×C4C2×D411yescharacteristic
128C22×C4C2×D411yescharacteristic
129Q16—48no—
130C2×C8—22no—
131C2×C8—22no—
132C2×C8—22no—
133C2×C8—42no—
134C2×C8—42no—
135C2×C8—42no—
136C4⋊C4—28no—
137C4⋊C4—28no—
138C4⋊C4—21no—
139C4⋊C4—22no—
140C4⋊C4—22no—
141C4⋊C4—22no—
142C4⋊C4—21no—
143C4⋊C4—22no—
144C4⋊C4—22no—
145C4⋊C4—22no—
146C4⋊C4—22no—
147C4⋊C4—22no—
148C4⋊C4—41no—
149C4⋊C4—41no—
150C4⋊C4C2×D412yes—
151C4⋊C4C2×D412yes—
152C22⋊C4—28no—
153C22⋊C4—22no—
154C22⋊C4—22no—
155C42—22no—
156C42—22no—
157C42C2×D411yescharacteristic
158C42C2×D411yescharacteristic
159C42C2×D411yescharacteristic
160C42C2411yescharacteristic
161C23—22no—
162C23—24no—
163C23—42no—
164C23—42no—
165C23#12011yescharacteristic
166Q8—22no—
167Q8—22no—
168Q8—44no—
169Q8—42no—
170Q8—42no—
171Q8—42no—
172Q8—82no—
173Q8—82no—
174D4—22no—
175D4—24no—
176D4C2×Q1614yescomplemented
177C2×C4—22no—
178C2×C4—22no—
179C2×C4—22no—
180C2×C4—22no—
181C2×C4—24no—
182C2×C4—42no—
183C2×C4—42no—
184C2×C4—42no—
185C2×C4—44no—
186C2×C4—42no—
187C2×C4—42no—
188C2×C4—44no—
189C2×C4—42no—
190C2×C4—88no—
191C2×C4—82no—
192C2×C4#12011yescharacteristic
193C2×C4#12011yescharacteristic
194C2×C4#12011yescharacteristic
195C2×C4C2×Q1612yes—
196C2×C4#13512yes—
197C2×C4AGL(1,ℤ/8)12yes—
198C2×C4#13712yes—
199C2×C4C22×D411yescharacteristic
200C2×C4C22×D411yescharacteristic
201C2×C4C22×D411yescharacteristic
202C8—42no—
203C8—42no—
204C8—42no—
205C22—24no—
206C22—48no—
207C22—42no—
208C22—42no—
209C22#44912yes—
210C22#45112yes—
211C22#45512yes—
212C22C2×#12011yescharacteristic
213C4—21no—
214C4—21no—
215C4—42no—
216C4—42no—
217C4—42no—
218C4—44no—
219C4—82no—
220C4#44912yes—
221C4#45112yes—
222C4C22×Q1611yescharacteristic
223C4C2×#13511yescharacteristic
224C4C2×AGL(1,ℤ/8)11yescharacteristic
225C4C2×#13711yescharacteristic
226C2—44no—
227C2#164414yesdirect product factor
228C2C2×#45111yescharacteristic
229C2C2×#44911yescharacteristic
230C2C2×#45511yescharacteristic
subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC42C24
prime radicalC22×D4D4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#487C2semidirect
4. C2×#462C2semidirect
5. #1644C2direct (N × H)
6. C2×#333C2semidirect
7. C2×Q8⋊C8C2semidirect
24. #487C22semidirect
28. #462C22semidirect
36. #333C22semidirect
37. Q8⋊C8C22semidirect
113. C2×D4Q16semidirect
176. D4C2×Q16semidirect
227. C2#1644direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5542
C2×#4872
C2×#4742
C2×#4622
#16442
C2×#3332
C2×Q8⋊C82
C2×D4⋊C82