Finite Group Databasebeta

← C2×#1803 #20643

Subgroups — C2×#1803 #20643

Order 256.

799 conjugacy classes of subgroups.

The subgroup lattice has 209 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×C4×Q8C211yesmaximal, characteristic
2C22×C4⋊C8C211yesmaximal, characteristic
3C22×#103C212yesmaximal
4C2×#384C211yesmaximal, characteristic
5#1803C218yesmaximal, direct product factor
6C2×#340C212yesmaximal
7C23×Q8C2211yescharacteristic
8C23×C8C2212yes—
9C2×C4×Q8—24no—
10C2×C4×Q8—22no—
11C2×C4×Q8C418yescomplemented
12C2×C4×Q8C2214yes—
13C22×C4⋊C4—21no—
14C22×C4⋊C4—21no—
15C22×C4⋊C4—21no—
16C22×C4⋊C4C2212yes—
17C22×C4⋊C4C2211yescharacteristic
18C22×C42—21no—
19C22×C42C2211yescharacteristic
20C2×C4⋊C8—24no—
21C2×C4⋊C8C2214yes—
22C2×#103—28no—
23C2×#103C2218yes—
24#384—22no—
25#384C2214yes—
26#340C2218yes—
27C22×Q8—22no—
28C22×Q8—21no—
29C22×Q8—22no—
30C22×Q8—22no—
31C22×Q8C2×C414yes—
32C22×Q8D414yes—
33C22×Q8Q814yes—
34C22×Q8C2312yes—
35C23×C4—21no—
36C23×C4—21no—
37C23×C4—22no—
38C23×C4D411yescharacteristic
39C23×C4D411yescharacteristic
40C23×C4C2311yescharacteristic
41C22×C8—24no—
42C22×C8—24no—
43C22×C8—24no—
44C22×C8C2314yes—
45C4×Q8—216no—
46C4×Q8—28no—
47C4×Q8C2×C4116yescomplemented
48C2×C4⋊C4—28no—
49C2×C4⋊C4—24no—
50C2×C4⋊C4—21no—
51C2×C4⋊C4—22no—
52C2×C4⋊C4—24no—
53C2×C4⋊C4—24no—
54C2×C4⋊C4—24no—
55C2×C4⋊C4—24no—
56C2×C4⋊C4—22no—
57C2×C4⋊C4—44no—
58C2×C4⋊C4—44no—
59C2×C4⋊C4C2×C414yes—
60C2×C4⋊C4C2314yes—
61C2×C4⋊C4C2312yes—
62C2×C42—28no—
63C2×C42—24no—
64C2×C42C2×C414yes—
65C2×C42D412yes—
66C2×C42D414yes—
67C2×C42C2312yes—
68C4⋊C8—28no—
69#103—216no—
70C24C2×D411yescharacteristic
71C2×Q8—24no—
72C2×Q8—28no—
73C2×Q8—24no—
74C2×Q8—28no—
75C2×Q8—24no—
76C2×Q8—28no—
77C2×Q8—22no—
78C2×Q8—22no—
79C2×Q8—22no—
80C2×Q8C4⋊C4116yescomplemented
81C2×Q8C22×C414yes—
82C2×Q8C2×D414yes—
83C2×Q8C2×Q814yes—
84C22×C4—24no—
85C22×C4—24no—
86C22×C4—24no—
87C22×C4—22no—
88C22×C4—22no—
89C22×C4—22no—
90C22×C4—24no—
91C22×C4—22no—
92C22×C4—24no—
93C22×C4—42no—
94C22×C4—42no—
95C22×C4—44no—
96C22×C4—44no—
97C22×C4—44no—
98C22×C4C22⋊C414yes—
99C22×C4C22⋊C414yes—
100C22×C4SD1614yes—
101C22×C4Q1614yes—
102C22×C4C22×C412yes—
103C22×C4C2×D412yes—
104C22×C4C2×D411yescharacteristic
105C22×C4C2×D412yes—
106C22×C4C2×D412yes—
107C22×C4C2×D412yes—
108C22×C4C2×Q812yes—
109C22×C4#4112yes—
110C22×C4#4112yes—
111C22×C4C2411yescharacteristic
112C2×C8—24no—
113C2×C8—24no—
114C2×C8—24no—
115C2×C8—48no—
116C4⋊C4—216no—
117C4⋊C4—24no—
118C4⋊C4—22no—
119C4⋊C4—24no—
120C4⋊C4—24no—
121C4⋊C4—48no—
122C4⋊C4—44no—
123C4⋊C4—48no—
124C4⋊C4C22×C414yes—
125C42—216no—
126C42C22⋊C418yes—
127C42C22×C414yes—
128C42C2×D414yes—
129C23C2×C22⋊C412yes—
130C23#12112yes—
131C23C22⋊Q812yes—
132C23C2×SD1612yes—
133C23C2×Q1612yes—
134C23AGL(1,ℤ/8)12yes—
135C23#13712yes—
136C23C22×D411yescharacteristic
137Q8—24no—
138Q8—24no—
139Q8—24no—
140Q8—216no—
141Q8C2×C4⋊C418yescomplemented
142C2×C4—24no—
143C2×C4—24no—
144C2×C4—24no—
145C2×C4—22no—
146C2×C4—22no—
147C2×C4—216no—
148C2×C4—28no—
149C2×C4—24no—
150C2×C4—42no—
151C2×C4—42no—
152C2×C4—48no—
153C2×C4—44no—
154C2×C4—44no—
155C2×C4—44no—
156C2×C4—88no—
157C2×C4#103116yescomplemented
158C2×C4C2×C22⋊C414yes—
159C2×C4C2×C22⋊C412yes—
160C2×C4C2×C22⋊C414yes—
161C2×C4C2×C4⋊C414yes—
162C2×C4#11714yes—
163C2×C4#12114yes—
164C2×C4#12112yes—
165C2×C4C22⋊Q814yes—
166C2×C4C22⋊Q812yes—
167C2×C4C2×SD1614yes—
168C2×C4C2×Q1614yes—
169C2×C4C23×C411yescharacteristic
170C2×C4C22×D411yescharacteristic
171C2×C4C22×D411yescharacteristic
172C2×C4C22×Q811yescharacteristic
173C2×C4C2×#4111yescharacteristic
174C2×C4C2×#4111yescharacteristic
175C8—44no—
176C22#38014yes—
177C22C2×#10314yes—
178C22#41714yes—
179C22#46014yes—
180C22#46214yes—
181C22#47514yes—
182C22#47714yes—
183C22C22×C22⋊C411yescharacteristic
184C22C2×#12111yescharacteristic
185C22C2×C22⋊Q811yescharacteristic
186C22C22×SD1611yescharacteristic
187C22C22×Q1611yescharacteristic
188C22C2×AGL(1,ℤ/8)11yescharacteristic
189C22C2×#13711yescharacteristic
190C4—24no—
191C4—28no—
192C4—44no—
193C4—84no—
194C4#38014yes—
195C4C2×#10318yescomplemented
196C4C22×C4⋊C411yescharacteristic
197C4C2×#11711yescharacteristic
198C4C2×#12111yescharacteristic
199C4C2×C22⋊Q811yescharacteristic
200C2#180318yesdirect product factor
201C2C2×#38011yescharacteristic
202C2C22×#10311yescharacteristic
203C2C2×#41711yescharacteristic
204C2C2×#46011yescharacteristic
205C2C2×#46211yescharacteristic
206C2C2×#47511yescharacteristic
207C2C2×#47711yescharacteristic
subgroupG/H
center, socle, prime radicalC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
5. #1803C2direct (N × H)
11. C2×C4×Q8C4semidirect
47. C4×Q8C2×C4semidirect
80. C2×Q8C4⋊C4semidirect
141. Q8C2×C4⋊C4semidirect
157. C2×C4#103semidirect
195. C4C2×#103semidirect
200. C2#1803direct (N × H)

Maximal subgroups

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

subgroupindex
C22×C4×Q82
C22×C4⋊C82
C22×#1032
C2×#3842
#18032
C2×#3402