Finite Group Databasebeta

← C2×#1649 #18498

Subgroups — C2×#1649 #18498

Order 256.

603 conjugacy classes of subgroups; only the 151 normal subgroups are shown.

normal subgroups only

This group has 603 conjugacy classes of subgroups — too many to draw. Only its 151 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×D4×Q8C211yesmaximal, characteristic
2C2×#500C211yesmaximal, characteristic, complemented
3C2×#474C211yesmaximal, characteristic
4C2×#462C211yesmaximal, characteristic, complemented
5#1649C218yesmaximal, direct product factor
6C2×#332C211yesmaximal, characteristic, complemented
7C2×Q8⋊C8C211yesmaximal, characteristic, complemented
8C2×D4⋊C8C211yesmaximal, characteristic
9C23×Q8—21no—
10C22×Q16—21no—
11D4×Q8—22no—
12D4×Q8—22no—
13D4×Q8—22no—
14D4×Q8C2214yes—
15C2×C4⋊Q8—21no—
16C2×C4⋊Q8C2211yescharacteristic
17C2×C4⋊Q8C2211yescharacteristic
18C2×C22⋊Q8—21no—
19C2×C22⋊Q8—22no—
20C2×C4×Q8C2211yescharacteristic
21C2×C4×D4—21no—
22C2×C4×D4C2211yescharacteristic
23#500—22no—
24#500C2214yescomplemented
25#474—22no—
26#474C2214yes—
27#462—22no—
28#462C2214yescomplemented
29C2×#107—22no—
30C2×#107—21no—
31C2×C4⋊C8C2211yescharacteristic
32C2×C4⋊C8C2211yescharacteristic
33C2×#103—21no—
34C2×#102—21no—
35C2×C4×C8C2211yescharacteristic
36#332C2214yescomplemented
37Q8⋊C8C2214yescomplemented
38D4⋊C8C2214yes—
39C22×Q8—22no—
40C22×Q8—24no—
41C22×Q8—24no—
42C22×Q8—21no—
43C22×Q8—21no—
44C22×Q8—44no—
45C22×Q8—44no—
46C22×Q8D411yescharacteristic
47C22×D4D411yescharacteristic
48C23×C4—22no—
49C23×C4—21no—
50C2×Q16—24no—
51C2×Q16—44no—
52C22×C8—21no—
53C22×C8—21no—
54C22×C8—21no—
55C4⋊Q8—24no—
56C4⋊Q8—24no—
57C4⋊Q8—21no—
58C4⋊Q8—21no—
59C4⋊Q8—21no—
60C4⋊Q8—21no—
61C4⋊Q8—21no—
62C4⋊Q8D412yes—
63C4⋊Q8C2312yes—
64C4⋊Q8C2312yes—
65C22⋊Q8—24no—
66C22⋊Q8—28no—
67C22⋊Q8—24no—
68C22⋊Q8—28no—
69C4×Q8—21no—
70C4×Q8—21no—
71C4×Q8D412yes—
72C4×Q8C2312yes—
73C4×D4—24no—
74C4×D4—24no—
75C4×D4—21no—
76C4×D4—21no—
77C4×D4D412yes—
78C4×D4C2312yes—
79C2×C4⋊C4—22no—
80C2×C4⋊C4—21no—
81C2×C4⋊C4—21no—
82C2×C4⋊C4—21no—
83C2×C4⋊C4—21no—
84C2×C4⋊C4D411yescharacteristic
85C2×C4⋊C4D411yescharacteristic
86C2×C4⋊C4D412yes—
87C2×C22⋊C4—22no—
88C2×C22⋊C4—21no—
89C2×C42—21no—
90C2×C42C2311yescharacteristic
91#107—24no—
92#107—28no—
93C4⋊C8—21no—
94C4⋊C8—21no—
95C4⋊C8C2312yes—
96C4⋊C8C2312yes—
97#103—24no—
98#102—24no—
99C4×C8—21no—
100C4×C8C2312yes—
101C24—21no—
102C2×Q8—28no—
103C2×Q8—21no—
104C2×Q8—22no—
105C2×Q8—22no—
106C2×Q8—22no—
107C2×Q8—22no—
108C2×Q8—48no—
109C2×Q8—48no—
110C2×Q8—416no—
111C2×Q8—48no—
112C2×Q8—41no—
113C2×Q8—42no—
114C2×Q8—42no—
115C2×Q8—42no—
116C2×Q8—42no—
117C2×Q8D814yes—
118C2×Q8C2×D412yes—
119C2×D4—21no—
120C2×D4—22no—
121C2×D4Q1614yescomplemented
122C2×D4C2×D412yes—
123C22×C4—21no—
124C22×C4—28no—
125C22×C4—21no—
126C22×C4—22no—
127C22×C4—21no—
128C22×C4—22no—
129C22×C4—22no—
130C22×C4—48no—
131C22×C4—42no—
132C22×C4—42no—
133C22×C4—41no—
134C22×C4C2×D411yescharacteristic
135C22×C4C2×D411yescharacteristic
136C22×C4C2×D411yescharacteristic
137Q16—48no—
138C2×C8—24no—
139C2×C8—22no—
140C2×C8—22no—
141C2×C8—22no—
142C2×C8—42no—
143C2×C8—42no—
144C4⋊C4—28no—
145C4⋊C4—22no—
146C4⋊C4—22no—
147C4⋊C4—21no—
148C4⋊C4—21no—
149C4⋊C4—22no—
150C4⋊C4—22no—
151C4⋊C4—22no—
152C4⋊C4—22no—
153C4⋊C4—22no—
154C4⋊C4—41no—
155C4⋊C4—41no—
156C4⋊C4C2×D412yes—
157C4⋊C4C2×D412yes—
158C4⋊C4C2×D414yes—
159C22⋊C4—28no—
160C22⋊C4—22no—
161C22⋊C4—22no—
162C42—22no—
163C42—22no—
164C42C2×D411yescharacteristic
165C42C2×D411yescharacteristic
166C42C2×D411yescharacteristic
167C42C2411yescharacteristic
168C23—22no—
169C23—24no—
170C23—42no—
171C23—42no—
172C23#12011yescharacteristic
173Q8—22no—
174Q8—24no—
175Q8—416no—
176Q8—42no—
177Q8—42no—
178Q8—44no—
179Q8—42no—
180Q8—42no—
181Q8—82no—
182Q8C2×D814yes—
183D4—22no—
184D4—24no—
185D4C2×Q1614yescomplemented
186C2×C4—22no—
187C2×C4—24no—
188C2×C4—22no—
189C2×C4—22no—
190C2×C4—24no—
191C2×C4—22no—
192C2×C4—416no—
193C2×C4—44no—
194C2×C4—42no—
195C2×C4—42no—
196C2×C4—42no—
197C2×C4—42no—
198C2×C4—44no—
199C2×C4—42no—
200C2×C4—82no—
201C2×C4#12011yescharacteristic
202C2×C4#12011yescharacteristic
203C2×C4#12011yescharacteristic
204C2×C4C2×D812yes—
205C2×C4C2×Q1612yes—
206C2×C4AGL(1,ℤ/8)12yes—
207C2×C4#13712yes—
208C2×C4C22×D411yescharacteristic
209C2×C4C22×D411yescharacteristic
210C2×C4C22×D411yescharacteristic
211C8—24no—
212C8—42no—
213C8—42no—
214C22—24no—
215C22—48no—
216C22—42no—
217C22—42no—
218C22#44712yes—
219C22#45112yes—
220C22#45612yes—
221C22C2×#12011yescharacteristic
222C4—24no—
223C4—21no—
224C4—21no—
225C4—44no—
226C4—42no—
227C4—42no—
228C4—82no—
229C4#44712yes—
230C4#45112yes—
231C4C22×D811yescharacteristic
232C4C22×Q1611yescharacteristic
233C4C2×AGL(1,ℤ/8)11yescharacteristic
234C4C2×#13711yescharacteristic
235C2—44no—
236C2#164914yesdirect product factor
237C2C2×#44711yescharacteristic
238C2C2×#45111yescharacteristic
239C2C2×#45611yescharacteristic
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×#500C2semidirect
4. C2×#462C2semidirect
5. #1649C2direct (N × H)
6. C2×#332C2semidirect
7. C2×Q8⋊C8C2semidirect
24. #500C22semidirect
28. #462C22semidirect
36. #332C22semidirect
37. Q8⋊C8C22semidirect
121. C2×D4Q16semidirect
185. D4C2×Q16semidirect
236. C2#1649direct (N × H)

Maximal subgroups

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

subgroupindex
C2×D4×Q82
C2×#5002
C2×#4742
C2×#4622
#16492
C2×#3322
C2×Q8⋊C82
C2×D4⋊C82