Finite Group Databasebeta

← C2×#1648 #18499

Subgroups — C2×#1648 #18499

Order 256.

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

normal subgroups only

This group has 473 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×#557C211yesmaximal, characteristic
2C2×#500C211yesmaximal, characteristic
3C2×#475C211yesmaximal, characteristic
4C2×#462C211yesmaximal, characteristic
5#1648C218yesmaximal, direct product factor
6C2×#332C211yesmaximal, characteristic
7C2×Q8⋊C8C211yesmaximal, characteristic
8C2×Q8⋊C8C211yesmaximal, characteristic
9C22×Q16—21no—
10#557—22no—
11#557—22no—
12#557—22no—
13#557C2214yes—
14C2×C4⋊Q8—21no—
15C2×C4⋊Q8C2211yescharacteristic
16C2×C4⋊Q8C2211yescharacteristic
17C2×#125—22no—
18C2×#125—21no—
19C2×C4×Q8—21no—
20C2×C4×Q8—21no—
21C2×C4×Q8C2211yescharacteristic
22C2×C4×Q8C2211yescharacteristic
23#500—22no—
24#500C2214yes—
25#475—22no—
26#475C2214yes—
27#462—22no—
28#462C2214yes—
29C2×#107—22no—
30C2×#106—21no—
31C2×C4⋊C8C2211yescharacteristic
32C2×C4⋊C8C2211yescharacteristic
33C2×#103—21no—
34C2×#103—21no—
35C2×C4×C8C2211yescharacteristic
36#332C2214yes—
37Q8⋊C8C2214yes—
38Q8⋊C8C2214yes—
39C22×Q8—21no—
40C22×Q8—21no—
41C22×Q8D411yescharacteristic
42C22×Q8D411yescharacteristic
43C2×Q16—24no—
44C2×Q16—44no—
45C22×C8—21no—
46C22×C8—21no—
47C22×C8—21no—
48C4⋊Q8—24no—
49C4⋊Q8—24no—
50C4⋊Q8—21no—
51C4⋊Q8—21no—
52C4⋊Q8—21no—
53C4⋊Q8—21no—
54C4⋊Q8—21no—
55C4⋊Q8D412yes—
56C4⋊Q8C2312yes—
57C4⋊Q8C2312yes—
58#125—28no—
59#125—24no—
60#125—28no—
61#125—24no—
62C4×Q8—24no—
63C4×Q8—24no—
64C4×Q8—24no—
65C4×Q8—24no—
66C4×Q8—21no—
67C4×Q8—21no—
68C4×Q8—21no—
69C4×Q8—21no—
70C4×Q8D412yes—
71C4×Q8D412yes—
72C4×Q8C2312yes—
73C4×Q8C2312yes—
74C2×C4⋊C4—22no—
75C2×C4⋊C4—22no—
76C2×C4⋊C4—22no—
77C2×C4⋊C4—21no—
78C2×C4⋊C4—21no—
79C2×C4⋊C4—21no—
80C2×C4⋊C4—21no—
81C2×C4⋊C4—21no—
82C2×C4⋊C4D411yescharacteristic
83C2×C4⋊C4D411yescharacteristic
84C2×C4⋊C4D412yes—
85C2×C42—22no—
86C2×C42—21no—
87C2×C42—21no—
88C2×C42C2311yescharacteristic
89#107—28no—
90#106—24no—
91C4⋊C8—21no—
92C4⋊C8—21no—
93C4⋊C8C2312yes—
94C4⋊C8C2312yes—
95#103—24no—
96#103—24no—
97C4×C8—21no—
98C4×C8C2312yes—
99C2×Q8—21no—
100C2×Q8—21no—
101C2×Q8—22no—
102C2×Q8—22no—
103C2×Q8—22no—
104C2×Q8—22no—
105C2×Q8—22no—
106C2×Q8—22no—
107C2×Q8—41no—
108C2×Q8—42no—
109C2×Q8—42no—
110C2×Q8—42no—
111C2×Q8—42no—
112C2×Q8Q1614yescomplemented
113C2×Q8C2×D412yes—
114C2×Q8C2×D412yes—
115C22×C4—21no—
116C22×C4—21no—
117C22×C4—21no—
118C22×C4—21no—
119C22×C4—22no—
120C22×C4—41no—
121C22×C4C2×D411yescharacteristic
122C22×C4C2×D411yescharacteristic
123C22×C4C2×D411yescharacteristic
124Q16—48no—
125C2×C8—24no—
126C2×C8—22no—
127C2×C8—22no—
128C2×C8—22no—
129C2×C8—42no—
130C2×C8—42no—
131C4⋊C4—28no—
132C4⋊C4—28no—
133C4⋊C4—28no—
134C4⋊C4—22no—
135C4⋊C4—22no—
136C4⋊C4—22no—
137C4⋊C4—21no—
138C4⋊C4—21no—
139C4⋊C4—22no—
140C4⋊C4—22no—
141C4⋊C4—22no—
142C4⋊C4—22no—
143C4⋊C4—22no—
144C4⋊C4—22no—
145C4⋊C4—41no—
146C4⋊C4—41no—
147C4⋊C4C2×D412yes—
148C4⋊C4C2×D412yes—
149C4⋊C4C2×D414yes—
150C42—28no—
151C42—22no—
152C42—22no—
153C42—22no—
154C42—22no—
155C42C2×D411yescharacteristic
156C42C2×D411yescharacteristic
157C42C2×D411yescharacteristic
158C42C2411yescharacteristic
159C23#12011yescharacteristic
160Q8—22no—
161Q8—24no—
162Q8—22no—
163Q8—22no—
164Q8—42no—
165Q8—42no—
166Q8—42no—
167Q8—44no—
168Q8—42no—
169Q8—42no—
170Q8—82no—
171Q8C2×Q1614yescomplemented
172C2×C4—22no—
173C2×C4—24no—
174C2×C4—22no—
175C2×C4—22no—
176C2×C4—22no—
177C2×C4—22no—
178C2×C4—24no—
179C2×C4—42no—
180C2×C4—44no—
181C2×C4—42no—
182C2×C4—42no—
183C2×C4—42no—
184C2×C4—82no—
185C2×C4#12011yescharacteristic
186C2×C4#12011yescharacteristic
187C2×C4#12011yescharacteristic
188C2×C4C2×Q1612yes—
189C2×C4#13512yes—
190C2×C4AGL(1,ℤ/8)12yes—
191C2×C4#13712yes—
192C2×C4C22×D411yescharacteristic
193C2×C4C22×D411yescharacteristic
194C2×C4C22×D411yescharacteristic
195C8—24no—
196C8—42no—
197C8—42no—
198C22#44912yes—
199C22#45112yes—
200C22#45612yes—
201C22C2×#12011yescharacteristic
202C4—24no—
203C4—21no—
204C4—21no—
205C4—42no—
206C4—44no—
207C4—42no—
208C4—42no—
209C4—82no—
210C4#44912yes—
211C4#45112yes—
212C4C22×Q1611yescharacteristic
213C4C2×#13511yescharacteristic
214C4C2×AGL(1,ℤ/8)11yescharacteristic
215C4C2×#13711yescharacteristic
216C2#164814yesdirect product factor
217C2C2×#45111yescharacteristic
218C2C2×#44911yescharacteristic
219C2C2×#45611yescharacteristic
subgroupG/H
center, socle, prime radicalC23#120
commutator, Frattini, cosocleC42C24
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
5. #1648C2direct (N × H)
112. C2×Q8Q16semidirect
171. Q8C2×Q16semidirect
216. C2#1648direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#5572
C2×#5002
C2×#4752
C2×#4622
#16482
C2×#3322
C2×Q8⋊C82