Finite Group Databasebeta

← C4×#428 #20452

Subgroups — C4×#428 #20452

Order 256.

609 conjugacy classes of subgroups.

The subgroup lattice has 191 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#428C212yesmaximal
2C2×C4×M16C211yesmaximal, characteristic
3C4×#117C211yesmaximal, characteristic
4C2×C4×C4⋊C4C211yesmaximal, characteristic
5#1776C214yesmaximal, complemented
6C4×#107C212yesmaximal, complemented
7C4×#106C212yesmaximal, complemented
8#1736C212yesmaximal
9C22×M16C2211yescharacteristic
10C22×M16C2211yescharacteristic
11C2×#117C2212yes—
12C22×C4⋊C4C2212yes—
13C22×C42—21no—
14C22×C42C2211yescharacteristic
15#428C4116yesdirect product factor
16C2×#107C2214yes—
17C2×#106C2214yes—
18C4×M16C418yescomplemented
19C2×#97C2212yes—
20C2×C4×C8C2212yes—
21C4×C4⋊C4—21no—
22C4×C4⋊C4—21no—
23C4×C4⋊C4C2212yes—
24C4×C4⋊C4C2212yes—
25C4×C4⋊C4C2211yescharacteristic
26C4×C4⋊C4C2211yescharacteristic
27C4×C4⋊C4C2212yes—
28C4×C22⋊C4—21no—
29C4×C22⋊C4—21no—
30#376—21no—
31C2×#95—21no—
32C43—21no—
33#340C2214yes—
34#340C2214yes—
35C23×C4—22no—
36C23×C4D411yescharacteristic
37C23×C4D411yescharacteristic
38C23×C4C2311yescharacteristic
39C2×M16—24no—
40C2×M16C2×C414yes—
41C2×M16C2×C414yes—
42C2×M16C2×C418yes—
43C22×C8C2312yes—
44C22×C8C2312yes—
45#117—24no—
46#117C2×C418yes—
47C2×C4⋊C4—22no—
48C2×C4⋊C4—24no—
49C2×C4⋊C4C2×C418yes—
50C2×C4⋊C4C2314yes—
51C2×C4⋊C4C2312yes—
52C2×C4⋊C4C2312yes—
53C2×C22⋊C4—22no—
54C2×C42—22no—
55C2×C42—22no—
56C2×C42—22no—
57C2×C42—21no—
58C2×C42—21no—
59C2×C42—22no—
60C2×C42—44no—
61C2×C42C2×C414yes—
62C2×C42D411yescharacteristic
63C2×C42D411yescharacteristic
64C2×C42Q814yes—
65C2×C42C2311yescharacteristic
66C2×C42C2311yescharacteristic
67#107C2×C4116yescomplemented
68#106C2×C4116yescomplemented
69#97C2×C418yescomplemented
70C4×C8C2×C418yescomplemented
71#95—22no—
72#95—22no—
73#95—21no—
74#95—21no—
75#95—22no—
76C24C2×D411yescharacteristic
77C22×C4—22no—
78C22×C4—22no—
79C22×C4—28no—
80C22×C4—22no—
81C22×C4—22no—
82C22×C4—24no—
83C22×C4—42no—
84C22×C4—44no—
85C22×C4—44no—
86C22×C4C4⋊C414yes—
87C22×C4C4⋊C414yes—
88C22×C4C22×C412yes—
89C22×C4C22×C414yes—
90C22×C4C2×D411yescharacteristic
91C22×C4C2×D411yescharacteristic
92C22×C4C2×D411yescharacteristic
93C22×C4C2×D411yescharacteristic
94C22×C4C2×D411yescharacteristic
95C22×C4C2×Q812yes—
96C22×C4#4114yes—
97C22×C4C2411yescharacteristic
98M16—28no—
99M16C42116yescomplemented
100C2×C8—24no—
101C2×C8C22×C414yes—
102C2×C8C22×C414yes—
103C2×C8C22×C418yes—
104C4⋊C4—28no—
105C4⋊C4—24no—
106C4⋊C4—22no—
107C4⋊C4—22no—
108C4⋊C4C22×C414yes—
109C4⋊C4C22×C418yes—
110C4⋊C4C22×C414yes—
111C22⋊C4—28no—
112C42—28no—
113C42—44no—
114C42—44no—
115C42—42no—
116C42—44no—
117C42—42no—
118C42C4⋊C414yes—
119C42C4⋊C414yes—
120C42C22×C412yes—
121C42C22×C412yes—
122C42C2×Q812yes—
123C42C2×Q812yes—
124C23—21no—
125C23—21no—
126C23—22no—
127C23C2×C4⋊C412yes—
128C23C4×D414yes—
129C23C22×D411yescharacteristic
130C2×C4—21no—
131C2×C4—21no—
132C2×C4—22no—
133C2×C4—22no—
134C2×C4—28no—
135C2×C4—24no—
136C2×C4—24no—
137C2×C4—28no—
138C2×C4—44no—
139C2×C4—416no—
140C2×C4—44no—
141C2×C4—42no—
142C2×C4—42no—
143C2×C4—42no—
144C2×C4—42no—
145C2×C4—44no—
146C2×C4C2×C4214yes—
147C2×C4C2×C4⋊C412yes—
148C2×C4C2×C4⋊C412yes—
149C2×C4C2×C4⋊C412yes—
150C2×C4C2×C4⋊C412yes—
151C2×C4C2×C4⋊C412yes—
152C2×C4#11714yes—
153C2×C4C4×D414yes—
154C2×C4C4×Q818yes—
155C2×C4AGL(1,ℤ/8)12yes—
156C2×C4#13712yes—
157C2×C4C23×C411yescharacteristic
158C2×C4C23×C412yes—
159C2×C4C22×Q811yescharacteristic
160C2×C4C2×#4112yes—
161C8—24no—
162C8C2×C4218yescomplemented
163C22—22no—
164C22—22no—
165C22—24no—
166C22—24no—
167C22C4×C4⋊C414yes—
168C22C22×C4⋊C411yescharacteristic
169C22C2×C4×D412yes—
170C22C2×AGL(1,ℤ/8)11yescharacteristic
171C22C2×#13711yescharacteristic
172C22#57512yes—
173C4—22no—
174C4—22no—
175C4—22no—
176C4—44no—
177C4—48no—
178C4—44no—
179C4C4×C4⋊C414yes—
180C4#42814yesdirect product factor
181C4C22×C4211yescharacteristic
182C4C2×#11711yescharacteristic
183C4C2×C4×Q812yes—
184C2—24no—
185C2C2×C4×C4⋊C411yescharacteristic
186C2C2×#42811yescharacteristic
187C2#291111yescharacteristic
188C2C4×AGL(1,ℤ/8)12yes—
189C2C4×#13712yes—
subgroupG/H
centerC22×C4C2×D4
commutatorC4C22×C42
Frattini, cosocleC22×C4C24
socleC23C22×D4
prime radicalC24C2×D4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
5. #1776C2semidirect
6. C4×#107C2semidirect
7. C4×#106C2semidirect
15. #428C4direct (N × H)
18. C4×M16C4semidirect
67. #107C2×C4semidirect
68. #106C2×C4semidirect
69. #97C2×C4semidirect
70. C4×C8C2×C4semidirect
99. M16C42semidirect
162. C8C2×C42semidirect
180. C4#428direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4282
C2×C4×M162
C4×#1172
C2×C4×C4⋊C42
#17762
C4×#1072
C4×#1062
#17362