Finite Group Databasebeta

← C4×B(4,𝔽2) #21479

Subgroups — C4×B(4,𝔽2) #21479

Order 256.

955 conjugacy classes of subgroups; only the 189 normal subgroups are shown.

normal subgroups only

This group has 955 conjugacy classes of subgroups — too many to draw. Only its 189 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
1C4×H(5,𝔽2)C211yesmaximal, characteristic, complemented
2C2×B(4,𝔽2)C211yesmaximal, characteristic
3C4×#120C213yesmaximal, complemented
4#1889C213yesmaximal, complemented
5#1867C213yesmaximal, complemented
6#1790C211yesmaximal, characteristic, complemented
7C4×#99C213yesmaximal, complemented
8C2×H(5,𝔽2)C2211yescharacteristic
9C24×C4C2211yescharacteristic, complemented
10C2×#120C2213yes—
11#520—23no—
12#518—23no—
13#518C2213yes—
14C4×#41—23no—
15C2×C4×D4—23no—
16C2×C4×D4—23no—
17C2×C4×D4C2213yes—
18B(4,𝔽2)C418yesdirect product factor
19C2×#99C2213yes—
20C2×#99C2213yes—
21#386—23no—
22#386C2213yes—
23#385—23no—
24#385C2213yescomplemented
25#379C2213yescomplemented
26C4×C22⋊C4—23no—
27C4×C22⋊C4C2213yescomplemented
28#342C2216yescomplemented
29C25C2311yescharacteristic
30H(5,𝔽2)—26no—
31H(5,𝔽2)C2×C414yescomplemented
32C2×#41—23no—
33C22×D4—23no—
34C22×D4—23no—
35C22×D4C2313yes—
36C23×C4—21no—
37C23×C4—23no—
38C23×C4—23no—
39C23×C4—44no—
40C23×C4D413yescomplemented
41C23×C4C2311yescharacteristic
42C23×C4C2311yescharacteristic
43#120—26no—
44#120C2×C4112yescomplemented
45C4×Q8—21no—
46C4×Q8—23no—
47C4×D4—23no—
48C4×D4—26no—
49C4×D4—23no—
50C4×D4—26no—
51C4×D4—26no—
52C4×D4—26no—
53C4×D4—26no—
54C4×D4—412no—
55#117—26no—
56#117—23no—
57C2×C4⋊C4—23no—
58C2×C4⋊C4—23no—
59C2×C4⋊C4D413yescomplemented
60C2×C22⋊C4—23no—
61C2×C22⋊C4—23no—
62C2×C22⋊C4—23no—
63C2×C22⋊C4—23no—
64C2×C22⋊C4—23no—
65C2×C22⋊C4—23no—
66C2×C22⋊C4D413yescomplemented
67C2×C22⋊C4C2313yes—
68C2×C22⋊C4C2313yes—
69C2×C22⋊C4C2313yes—
70C2×C42—23no—
71C2×C42—23no—
72C2×C42D413yescomplemented
73#99—26no—
74#99C2×C4112yescomplemented
75#95—23no—
76#95—23no—
77#95—23no—
78C24—21no—
79C24—23no—
80C24—23no—
81C24—42no—
82C24—42no—
83C24C22×C412yescomplemented
84C24C2×D413yes—
85C24C2411yescharacteristic
86#41—212no—
87#41—212no—
88C2×Q8—21no—
89C2×D4—23no—
90C2×D4—212no—
91C2×D4—212no—
92C2×D4—26no—
93C2×D4—26no—
94C2×D4—212no—
95C2×D4—46no—
96C2×D4—46no—
97C2×D4C22×C416yes—
98C2×D4#4116yes—
99C22×C4—23no—
100C22×C4—212no—
101C22×C4—23no—
102C22×C4—23no—
103C22×C4—23no—
104C22×C4—23no—
105C22×C4—23no—
106C22×C4—23no—
107C22×C4—23no—
108C22×C4—42no—
109C22×C4—42no—
110C22×C4—46no—
111C22×C4—46no—
112C22×C4—46no—
113C22×C4—46no—
114C22×C4—43no—
115C22×C4—41no—
116C22×C4—82no—
117C22×C4C2×D413yes—
118C22×C4C2×D413yes—
119C22×C4C2×D413yes—
120C22×C4C2×D413yes—
121C22×C4C2×D413yes—
122C4⋊C4—23no—
123C4⋊C4—23no—
124C4⋊C4—26no—
125C4⋊C4—46no—
126C22⋊C4—26no—
127C22⋊C4—26no—
128C22⋊C4—23no—
129C22⋊C4—212no—
130C22⋊C4—26no—
131C22⋊C4—26no—
132C22⋊C4—46no—
133C22⋊C4—46no—
134C22⋊C4—46no—
135C22⋊C4C22×C416yescomplemented
136C42—26no—
137C42—23no—
138C42—23no—
139C42—46no—
140C23—26no—
141C23—26no—
142C23—24no—
143C23—26no—
144C23—23no—
145C23—23no—
146C23—41no—
147C23—44no—
148C23—41no—
149C23—43no—
150C23—43no—
151C23—412no—
152C23—43no—
153C23—43no—
154C23—41no—
155C23—43no—
156C23—81no—
157C23—81no—
158C23C4×D416yescomplemented
159C23C23×C411yescharacteristic
160C23C22×D413yes—
161C23C2×#4113yes—
162Q8—24no—
163D4—212no—
164D4—212no—
165D4—212no—
166D4—424no—
167C2×C4—212no—
168C2×C4—23no—
169C2×C4—23no—
170C2×C4—26no—
171C2×C4—26no—
172C2×C4—26no—
173C2×C4—23no—
174C2×C4—23no—
175C2×C4—43no—
176C2×C4—412no—
177C2×C4—43no—
178C2×C4—43no—
179C2×C4—43no—
180C2×C4—41no—
181C2×C4—44no—
182C2×C4—46no—
183C2×C4—43no—
184C2×C4—43no—
185C2×C4—43no—
186C2×C4—43no—
187C2×C4—43no—
188C2×C4—83no—
189C2×C4—83no—
190C2×C4—83no—
191C2×C4C4×D416yescomplemented
192C2×C4#12013yes—
193C2×C4#12011yescharacteristic
194C22—23no—
195C22—23no—
196C22—212no—
197C22—26no—
198C22—41no—
199C22—43no—
200C22—46no—
201C22—46no—
202C22—46no—
203C22—46no—
204C22—42no—
205C22—43no—
206C22—43no—
207C22—42no—
208C22—42no—
209C22—83no—
210C22—84no—
211C22C2×C4×D413yes—
212C22C2×#12011yescharacteristic
213C22#52513yes—
214C4—23no—
215C4—26no—
216C4—46no—
217C4—42no—
218C4—43no—
219C4—43no—
220C4—83no—
221C4B(4,𝔽2)12yesdirect product factor
222C2—23no—
223C2—23no—
224C2—44no—
225C2—46no—
226C2C4×#12011yescharacteristic
227C2C2×B(4,𝔽2)11yescharacteristic
228C2#302511yescharacteristic
subgroupG/H
centerC2×C4#120
commutatorC23C23×C4
Frattini, cosocleC24C24
socleC22C2×#120
prime radicalC2×B(4,𝔽2)C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
1. C4×H(5,𝔽2)C2semidirect
3. C4×#120C2semidirect
4. #1889C2semidirect
5. #1867C2semidirect
6. #1790C2semidirect
7. C4×#99C2semidirect
9. C24×C4C22semidirect
18. B(4,𝔽2)C4direct (N × H)
24. #385C22semidirect
25. #379C22semidirect
27. C4×C22⋊C4C22semidirect
28. #342C22semidirect
31. H(5,𝔽2)C2×C4semidirect
40. C23×C4D4semidirect
44. #120C2×C4semidirect
59. C2×C4⋊C4D4semidirect
66. C2×C22⋊C4D4semidirect
72. C2×C42D4semidirect
74. #99C2×C4semidirect
83. C24C22×C4semidirect
135. C22⋊C4C22×C4semidirect
158. C23C4×D4semidirect
191. C2×C4C4×D4semidirect
221. C4B(4,𝔽2)direct (N × H)

Maximal subgroups

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

subgroupindex
C4×H(5,𝔽2)2
C2×B(4,𝔽2)2
C4×#1202
#18892
#18672
#17902
C4×#992