Finite Group Databasebeta

← C2×#1681 #19108

Subgroups — C2×#1681 #19108

Order 256.

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

normal subgroups only

This group has 421 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×#486C211yesmaximal, characteristic, complemented
2C2×#461C211yesmaximal, characteristic, complemented
3C2×#459C211yesmaximal, characteristic
4C2×C8×D4C211yesmaximal, characteristic, complemented
5#1681C218yesmaximal, direct product factor
6C2×#335C211yesmaximal, characteristic, complemented
7C2×#332C211yesmaximal, characteristic, complemented
8C2×#331C211yesmaximal, characteristic, complemented
9C22×SD16—21no—
10C22×D8—21no—
11C23×C8—21no—
12C2×C4⋊Q8C2211yescharacteristic
13C2×#127C2211yescharacteristic
14C2×C4×D4C2211yescharacteristic
15#486—22no—
16#486C2214yescomplemented
17#461—22no—
18#461C2214yescomplemented
19#459—22no—
20#459C2214yes—
21C8×D4—22no—
22C8×D4C2214yescomplemented
23C2×C4⋊C8C2211yescharacteristic
24C2×C4⋊C8C2211yescharacteristic
25C2×C4⋊C8C2211yescharacteristic
26C2×#103—21no—
27C2×#102—21no—
28C2×#102—21no—
29C2×#102—21no—
30C2×C22⋊C8—21no—
31C2×C4×C8C2211yescharacteristic
32#335C2214yescomplemented
33#332C2214yescomplemented
34#331C2214yescomplemented
35C22×Q8—21no—
36C22×D4—21no—
37C22×D4—21no—
38C22×D4—21no—
39C22×D4D411yescharacteristic
40C23×C4—21no—
41C2×SD16—24no—
42C2×SD16—44no—
43C2×D8—24no—
44C2×D8—44no—
45C22×C8—21no—
46C22×C8—21no—
47C22×C8—21no—
48C22×C8—24no—
49C22×C8—44no—
50C22×C8D411yescharacteristic
51C22×C8D411yescharacteristic
52C4⋊Q8—21no—
53C4⋊Q8—21no—
54C4⋊Q8—21no—
55C4⋊Q8C2312yes—
56#127—21no—
57#127—21no—
58#127—21no—
59#127C2312yes—
60C4×D4—21no—
61C4×D4—21no—
62C4×D4D412yes—
63C4×D4C2312yes—
64C2×C4⋊C4—21no—
65C2×C4⋊C4—21no—
66C2×C4⋊C4D411yescharacteristic
67C2×C22⋊C4—21no—
68C2×C42C2311yescharacteristic
69C4⋊C8—21no—
70C4⋊C8—21no—
71C4⋊C8—21no—
72C4⋊C8C2312yes—
73C4⋊C8C2312yes—
74C4⋊C8C2312yes—
75#103—24no—
76#102—24no—
77#102—24no—
78#102—24no—
79C22⋊C8—24no—
80C4×C8D412yes—
81C4×C8C2312yes—
82C24—21no—
83C24—41no—
84C2×Q8—22no—
85C2×Q8—41no—
86C2×Q8—42no—
87C2×Q8—42no—
88C2×D4—21no—
89C2×D4—22no—
90C2×D4—22no—
91C2×D4—22no—
92C2×D4—22no—
93C2×D4—41no—
94C2×D4—41no—
95C2×D4—41no—
96C2×D4—42no—
97C2×D4—42no—
98C2×D4—42no—
99C2×D4—42no—
100C2×D4—82no—
101C2×D4D814yes—
102C2×D4C2×D412yes—
103C22×C4—21no—
104C22×C4—22no—
105C22×C4—22no—
106C22×C4—42no—
107C22×C4—42no—
108C22×C4—41no—
109C22×C4C2×D411yescharacteristic
110C22×C4C2×D411yescharacteristic
111C22×C4#4111yescharacteristic
112SD16—48no—
113D8—48no—
114C2×C8—22no—
115C2×C8—22no—
116C2×C8—22no—
117C2×C8—22no—
118C2×C8—22no—
119C2×C8—48no—
120C2×C8—42no—
121C2×C8—42no—
122C2×C8—42no—
123C2×C8C2×D412yes—
124C2×C8C2×D412yes—
125C4⋊C4—21no—
126C4⋊C4—22no—
127C4⋊C4—22no—
128C4⋊C4—41no—
129C4⋊C4—41no—
130C4⋊C4C2×D412yes—
131C22⋊C4—22no—
132C22⋊C4—22no—
133C42C2×D411yescharacteristic
134C42C2×D411yescharacteristic
135C42#4111yescharacteristic
136C42C2411yescharacteristic
137C23—22no—
138C23—24no—
139C23—42no—
140C23—42no—
141C23—42no—
142C23—82no—
143C23—82no—
144C23—82no—
145C23#12111yescharacteristic
146Q8—42no—
147Q8—42no—
148Q8—82no—
149D4—22no—
150D4—24no—
151D4—42no—
152D4—42no—
153D4—42no—
154D4—42no—
155D4—82no—
156D4—82no—
157D4—82no—
158D4—82no—
159D4C2×D814yes—
160C2×C4—22no—
161C2×C4—22no—
162C2×C4—42no—
163C2×C4—42no—
164C2×C4—42no—
165C2×C4—44no—
166C2×C4—42no—
167C2×C4—82no—
168C2×C4#12111yescharacteristic
169C2×C4#12111yescharacteristic
170C2×C4#12111yescharacteristic
171C2×C4C2×D812yes—
172C2×C4#13512yes—
173C2×C4#13512yes—
174C2×C4AGL(1,ℤ/8)12yes—
175C2×C4C22×D411yescharacteristic
176C2×C4C22×D411yescharacteristic
177C2×C4C2×#4111yescharacteristic
178C8—22no—
179C8—22no—
180C8—42no—
181C8—42no—
182C8—42no—
183C22—24no—
184C22—48no—
185C22—42no—
186C22—42no—
187C22—82no—
188C22—82no—
189C22—82no—
190C22—164no—
191C22#46312yes—
192C22#46612yes—
193C22#47112yes—
194C22C2×#12111yescharacteristic
195C4—21no—
196C4—21no—
197C4—42no—
198C4—82no—
199C4#46312yes—
200C4#46612yes—
201C4C22×D811yescharacteristic
202C4C2×#13511yescharacteristic
203C4C2×#13511yescharacteristic
204C4C2×AGL(1,ℤ/8)11yescharacteristic
205C2—44no—
206C2—162no—
207C2#168114yesdirect product factor
208C2C2×#46311yescharacteristic
209C2C2×#46611yescharacteristic
210C2C2×#47111yescharacteristic
subgroupG/H
center, socleC23#121
commutator, Frattini, cosocleC42C24
prime radicalC2×#459C2
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
1. C2×#486C2semidirect
2. C2×#461C2semidirect
4. C2×C8×D4C2semidirect
5. #1681C2direct (N × H)
6. C2×#335C2semidirect
7. C2×#332C2semidirect
8. C2×#331C2semidirect
16. #486C22semidirect
18. #461C22semidirect
22. C8×D4C22semidirect
32. #335C22semidirect
33. #332C22semidirect
34. #331C22semidirect
207. C2#1681direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4862
C2×#4612
C2×#4592
C2×C8×D42
#16812
C2×#3352
C2×#3322
C2×#3312