Finite Group Databasebeta

← C2×#1607 #18101

Subgroups — C2×#1607 #18101

Order 256.

740 conjugacy classes of subgroups; only the 135 normal subgroups are shown.

normal subgroups only

This group has 740 conjugacy classes of subgroups — too many to draw. Only its 135 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×#534C211yesmaximal, characteristic
2C2×#480C212yesmaximal, complemented
3C2×#397C211yesmaximal, characteristic, complemented
4#1607C218yesmaximal, direct product factor
5C2×#327C212yesmaximal, complemented
6C2×#323C211yesmaximal, characteristic, complemented
7C23×D4—21no—
8#534—24no—
9#534—22no—
10#534C2214yes—
11C2×#123—22no—
12C2×#121—21no—
13C2×#121C2212yes—
14C2×#120—22no—
15C22×C4⋊C4C2211yescharacteristic, complemented
16C22×C22⋊C4—21no—
17C22×C22⋊C4C2211yescharacteristic
18#480—24no—
19#480C2218yescomplemented
20C2×#107—22no—
21C2×#102—22no—
22C2×C22⋊C8C2212yescomplemented
23#397—22no—
24#397C2214yescomplemented
25C2×#95—21no—
26C2×#95C2211yescharacteristic, complemented
27#327C2218yescomplemented
28#323C2214yescomplemented
29C25—21no—
30C25D411yescharacteristic
31C22×D4—22no—
32C22×D4—24no—
33C22×D4—22no—
34C22×D4—24no—
35C22×D4—21no—
36C22×D4—44no—
37C22×D4—44no—
38C22×D4D412yes—
39C23×C4—21no—
40C23×C4—21no—
41C23×C4—21no—
42C23×C4D411yescharacteristic
43C23×C4C2311yescharacteristic
44C22×C8—22no—
45#123—28no—
46#123—28no—
47#121—24no—
48#121—24no—
49#121—22no—
50#121—22no—
51#121D414yes—
52#121C2314yes—
53#120—28no—
54#120—28no—
55C2×C4⋊C4—21no—
56C2×C4⋊C4—22no—
57C2×C4⋊C4—22no—
58C2×C4⋊C4—21no—
59C2×C4⋊C4D412yes—
60C2×C4⋊C4C2312yescomplemented
61C2×C22⋊C4—22no—
62C2×C22⋊C4—22no—
63C2×C22⋊C4—22no—
64C2×C22⋊C4—22no—
65C2×C22⋊C4—24no—
66C2×C22⋊C4—44no—
67C2×C22⋊C4D412yes—
68C2×C22⋊C4C2312yes—
69#107—28no—
70#102—28no—
71C22⋊C8—22no—
72C22⋊C8C2314yescomplemented
73#95—24no—
74#95—21no—
75#95C2312yescomplemented
76C24—21no—
77C24—21no—
78C24—22no—
79C24—24no—
80C24—22no—
81C24—42no—
82C24—42no—
83C24—44no—
84C24—82no—
85C24—82no—
86C24D814yes—
87C24C2×D411yescharacteristic
88C24C2×D412yes—
89C2×D4—28no—
90C2×D4—24no—
91C2×D4—24no—
92C2×D4—24no—
93C2×D4—22no—
94C2×D4—44no—
95C2×D4—48no—
96C2×D4—416no—
97C2×D4—48no—
98C2×D4—48no—
99C2×D4—44no—
100C2×D4—44no—
101C2×D4—82no—
102C2×D4C2×D414yes—
103C22×C4—24no—
104C22×C4—21no—
105C22×C4—22no—
106C22×C4—21no—
107C22×C4—22no—
108C22×C4—22no—
109C22×C4—42no—
110C22×C4—44no—
111C22×C4—42no—
112C22×C4—42no—
113C22×C4—42no—
114C22×C4—41no—
115C22×C4—41no—
116C22×C4—42no—
117C22×C4—42no—
118C22×C4—42no—
119C22×C4C2×D412yes—
120C22×C4C2×D412yes—
121C22×C4C2×D411yescharacteristic
122C22×C4C2×D412yes—
123C22×C4C2411yescharacteristic
124C2×C8—24no—
125C2×C8—44no—
126C4⋊C4—24no—
127C4⋊C4—22no—
128C4⋊C4—24no—
129C4⋊C4—42no—
130C4⋊C4C2×D414yes—
131C22⋊C4—28no—
132C22⋊C4—24no—
133C22⋊C4—24no—
134C22⋊C4—24no—
135C22⋊C4—24no—
136C22⋊C4—48no—
137C23—22no—
138C23—22no—
139C23—22no—
140C23—24no—
141C23—22no—
142C23—24no—
143C23—24no—
144C23—48no—
145C23—42no—
146C23—42no—
147C23—48no—
148C23—42no—
149C23—42no—
150C23—44no—
151C23—44no—
152C23—44no—
153C23—84no—
154C23—81no—
155C23—81no—
156C23—84no—
157C23—84no—
158C23—816no—
159C23#12011yescharacteristic
160C23#12011yescharacteristic
161C23C2×D812yes—
162C23C2×D814yes—
163C23AGL(1,ℤ/8)12yes—
164C23C22×D411yescharacteristic
165D4—44no—
166D4—416no—
167D4—44no—
168D4—44no—
169D4—48no—
170D4—82no—
171D4—84no—
172C2×C4—24no—
173C2×C4—22no—
174C2×C4—24no—
175C2×C4—42no—
176C2×C4—41no—
177C2×C4—41no—
178C2×C4—48no—
179C2×C4—44no—
180C2×C4—42no—
181C2×C4—42no—
182C2×C4—42no—
183C2×C4—42no—
184C2×C4—42no—
185C2×C4—42no—
186C2×C4—42no—
187C2×C4—42no—
188C2×C4—81no—
189C2×C4—84no—
190C2×C4—82no—
191C2×C4—82no—
192C2×C4#12012yes—
193C2×C4C22×D412yes—
194C8—44no—
195C22—24no—
196C22—24no—
197C22—21no—
198C22—21no—
199C22—21no—
200C22—21no—
201C22—24no—
202C22—44no—
203C22—48no—
204C22—42no—
205C22—42no—
206C22—44no—
207C22—44no—
208C22—44no—
209C22—82no—
210C22—84no—
211C22—816no—
212C22—88no—
213C22#44712yes—
214C22#44712yes—
215C22#45512yes—
216C22#45812yes—
217C22C2×#12011yescharacteristic
218C22C22×D811yescharacteristic
219C22C2×AGL(1,ℤ/8)11yescharacteristic
220C4—22no—
221C4—22no—
222C4—44no—
223C4—42no—
224C4—82no—
225C4—82no—
226C2—21no—
227C2—21no—
228C2—22no—
229C2—44no—
230C2—84no—
231C2#160714yesdirect product factor
232C2C2×#44711yescharacteristic
233C2C2×#45511yescharacteristic
234C2C2×#45811yescharacteristic
subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#534C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#480C2semidirect
3. C2×#397C2semidirect
4. #1607C2direct (N × H)
5. C2×#327C2semidirect
6. C2×#323C2semidirect
15. C22×C4⋊C4C22semidirect
19. #480C22semidirect
22. C2×C22⋊C8C22semidirect
24. #397C22semidirect
26. C2×#95C22semidirect
27. #327C22semidirect
28. #323C22semidirect
60. C2×C4⋊C4C23semidirect
72. C22⋊C8C23semidirect
75. #95C23semidirect
231. C2#1607direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5342
C2×#4802
C2×#3972
#16072
C2×#3272
C2×#3232