Finite Group Databasebeta

← C2×#1973 #21227

Subgroups — C2×#1973 #21227

Order 256.

895 conjugacy classes of subgroups.

The subgroup lattice has 249 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C23×SD16C211yesmaximal, characteristic
2C22×#107C211yesmaximal, characteristic, complemented
3C22×#103C211yesmaximal, characteristic, complemented
4C22×#102C211yesmaximal, characteristic
5C22×#97C211yesmaximal, characteristic, complemented
6C2×#391C211yesmaximal, characteristic, complemented
7C2×#390C211yesmaximal, characteristic
8#1973C218yesmaximal, direct product factor
9C23×Q8C2211yescharacteristic
10C23×D4C2211yescharacteristic
11C22×SD16—24no—
12C22×SD16—24no—
13C22×SD16C418yescomplemented
14C22×SD16C2214yes—
15C23×C8C2211yescharacteristic
16C23×C8C2211yescharacteristic
17C22×C4⋊C4C2211yescharacteristic
18C22×C4⋊C4C2211yescharacteristic
19C22×C22⋊C4—22no—
20C22×C42C2211yescharacteristic
21C2×#107—24no—
22C2×#107C2214yescomplemented
23C2×#103—24no—
24C2×#103C2214yescomplemented
25C2×#102—24no—
26C2×#102C2214yes—
27C2×#97—24no—
28C2×#97C2214yescomplemented
29#391—22no—
30#391C2214yescomplemented
31#390—22no—
32#390C2214yes—
33C2×#95—22no—
34C25—21no—
35C22×Q8—21no—
36C22×Q8—22no—
37C22×Q8—22no—
38C22×Q8—22no—
39C22×Q8—22no—
40C22×Q8—22no—
41C22×Q8C2×C414yes—
42C22×Q8C2312yes—
43C22×D4—22no—
44C22×D4—22no—
45C22×D4—22no—
46C22×D4—21no—
47C22×D4—22no—
48C22×D4—22no—
49C22×D4C2×C414yes—
50C22×D4C2312yes—
51C23×C4—21no—
52C23×C4—21no—
53C23×C4—21no—
54C23×C4D412yes—
55C23×C4C2311yescharacteristic
56C2×SD16—232no—
57C2×SD16—28no—
58C2×SD16—28no—
59C2×SD16C2×C4116yescomplemented
60C22×C8—22no—
61C22×C8—22no—
62C22×C8C2×C414yes—
63C22×C8D414yes—
64C22×C8D414yes—
65C22×C8D414yes—
66C22×C8C2312yes—
67C22×C8C2312yes—
68C2×C4⋊C4—22no—
69C2×C4⋊C4—22no—
70C2×C4⋊C4—22no—
71C2×C4⋊C4—22no—
72C2×C4⋊C4—21no—
73C2×C4⋊C4—21no—
74C2×C4⋊C4C2312yes—
75C2×C4⋊C4C2312yes—
76C2×C22⋊C4—28no—
77C2×C22⋊C4—48no—
78C2×C42—22no—
79C2×C42—22no—
80C2×C42D412yes—
81C2×C42C2312yes—
82#107—28no—
83#103—28no—
84#102—28no—
85#97—28no—
86#95—28no—
87C24—24no—
88C24—22no—
89C24—42no—
90C24—42no—
91C24—44no—
92C24—44no—
93C24C2×D411yescharacteristic
94C2×Q8—24no—
95C2×Q8—22no—
96C2×Q8—28no—
97C2×Q8—28no—
98C2×Q8—22no—
99C2×Q8—22no—
100C2×Q8—22no—
101C2×Q8—22no—
102C2×Q8—42no—
103C2×Q8—44no—
104C2×Q8—44no—
105C2×Q8—42no—
106C2×Q8C22×C414yes—
107C2×D4—28no—
108C2×D4—28no—
109C2×D4—24no—
110C2×D4—22no—
111C2×D4—22no—
112C2×D4—22no—
113C2×D4—22no—
114C2×D4—22no—
115C2×D4—44no—
116C2×D4—42no—
117C2×D4—44no—
118C2×D4—42no—
119C2×D4C22×C414yes—
120C22×C4—24no—
121C22×C4—24no—
122C22×C4—24no—
123C22×C4—24no—
124C22×C4—22no—
125C22×C4—22no—
126C22×C4—22no—
127C22×C4—42no—
128C22×C4—42no—
129C22×C4—42no—
130C22×C4—42no—
131C22×C4—44no—
132C22×C4—44no—
133C22×C4C22×C412yes—
134C22×C4C2×D414yes—
135C22×C4C2×D412yes—
136C22×C4C2×D412yes—
137C22×C4C2×D411yescharacteristic
138C22×C4C2×D412yes—
139C22×C4#4112yes—
140C22×C4#4112yes—
141C22×C4C2411yescharacteristic
142SD16—232no—
143C2×C8—28no—
144C2×C8—22no—
145C2×C8—22no—
146C2×C8C22⋊C4116yescomplemented
147C2×C8C22×C414yes—
148C2×C8C2×D414yes—
149C2×C8C2×D414yes—
150C2×C8C2×D414yes—
151C4⋊C4—22no—
152C4⋊C4—22no—
153C4⋊C4—22no—
154C4⋊C4—22no—
155C4⋊C4—42no—
156C4⋊C4—42no—
157C22⋊C4—416no—
158C42—24no—
159C42—22no—
160C42—22no—
161C23—24no—
162C23—42no—
163C23—42no—
164C23—44no—
165C23—44no—
166C23—48no—
167C23—416no—
168C23—88no—
169C23—84no—
170C23—84no—
171C23C4×D412yes—
172C23#12112yes—
173C23#12712yes—
174C23AGL(1,ℤ/8)14yes—
175C23#13714yes—
176C23C22×D411yescharacteristic
177Q8—24no—
178Q8—24no—
179Q8—42no—
180Q8—42no—
181Q8—48no—
182D4—24no—
183D4—24no—
184D4—42no—
185D4—42no—
186D4—48no—
187C2×C4—24no—
188C2×C4—24no—
189C2×C4—24no—
190C2×C4—24no—
191C2×C4—42no—
192C2×C4—42no—
193C2×C4—48no—
194C2×C4—48no—
195C2×C4—42no—
196C2×C4—42no—
197C2×C4—44no—
198C2×C4—44no—
199C2×C4—84no—
200C2×C4—84no—
201C2×C4C2×C22⋊C414yes—
202C2×C4C4×D414yes—
203C2×C4C4×D412yes—
204C2×C4#12114yes—
205C2×C4#12112yes—
206C2×C4#12414yes—
207C2×C4#12712yes—
208C2×C4C23×C411yescharacteristic
209C2×C4C22×D411yescharacteristic
210C2×C4C22×D411yescharacteristic
211C2×C4C22×D411yescharacteristic
212C2×C4C2×#4111yescharacteristic
213C2×C4C2×#4111yescharacteristic
214C8—24no—
215C8C2×C22⋊C418yescomplemented
216C22—48no—
217C22—44no—
218C22—82no—
219C22—82no—
220C22—816no—
221C22—84no—
222C22#39014yes—
223C22#44018yes—
224C22#46818yes—
225C22#49614yes—
226C22#49714yes—
227C22C2×C4×D411yescharacteristic
228C22C2×#12111yescharacteristic
229C22C2×#12711yescharacteristic
230C22C2×AGL(1,ℤ/8)12yes—
231C22C2×#13712yes—
232C4—44no—
233C4—44no—
234C4—82no—
235C4—82no—
236C4#39014yes—
237C4C22×C22⋊C411yescharacteristic
238C4C2×C4×D411yescharacteristic
239C4C2×#12111yescharacteristic
240C4C2×#12411yescharacteristic
241C2—84no—
242C2#197318yesdirect product factor
243C2C2×#39011yescharacteristic
244C2C2×#44012yes—
245C2C2×#46812yes—
246C2C2×#49611yescharacteristic
247C2C2×#49711yescharacteristic
subgroupG/H
center, socleC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC23×D4C22
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
2. C22×#107C2semidirect
3. C22×#103C2semidirect
5. C22×#97C2semidirect
6. C2×#391C2semidirect
8. #1973C2direct (N × H)
13. C22×SD16C4semidirect
22. C2×#107C22semidirect
24. C2×#103C22semidirect
28. C2×#97C22semidirect
30. #391C22semidirect
59. C2×SD16C2×C4semidirect
146. C2×C8C22⋊C4semidirect
215. C8C2×C22⋊C4semidirect
242. C2#1973direct (N × H)

Maximal subgroups

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

subgroupindex
C23×SD162
C22×#1072
C22×#1032
C22×#1022
C22×#972
C2×#3912
C2×#3902
#19732