Finite Group Databasebeta

← C2×#1946 #21162

Subgroups — C2×#1946 #21162

Order 256.

467 conjugacy classes of subgroups.

The subgroup lattice has 157 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×#108C211yesmaximal, characteristic
2C2×#427C211yesmaximal, characteristic
3C2×#424C212yesmaximal
4C22×#97C211yesmaximal, characteristic
5#1946C218yesmaximal, direct product factor
6C2×#339C212yesmaximal
7C22×M16C2212yes—
8C23×C8C2211yescharacteristic
9C23×C8C2211yescharacteristic
10C2×#117C2212yes—
11C22×C42C2211yescharacteristic
12C2×#108—24no—
13C2×#108C2214yes—
14#427C414yescomplemented
15#427C2214yes—
16C2×#107C412yescomplemented
17C2×#106C412yescomplemented
18#424—24no—
19#424C2218yes—
20C2×C4⋊C8—24no—
21C2×#97—24no—
22C2×#97C2214yes—
23#339C2218yes—
24C23×C4—21no—
25C23×C4C2311yescharacteristic
26C2×M16—22no—
27C2×M16—24no—
28C2×M16—24no—
29C2×M16C2314yes—
30C22×C8—22no—
31C22×C8—22no—
32C22×C8—22no—
33C22×C8C2×C411yescharacteristic
34C22×C8C2×C411yescharacteristic
35C22×C8C2×C412yes—
36C22×C8D412yes—
37C22×C8D412yes—
38C22×C8D414yes—
39C22×C8Q814yes—
40C22×C8C2312yes—
41C22×C8C2312yes—
42#117—22no—
43#117—22no—
44#117C2×C414yes—
45#117C2314yes—
46C2×C4⋊C4C2×C414yes—
47C2×C22⋊C4—22no—
48C2×C42—22no—
49C2×C42—22no—
50C2×C42—21no—
51C2×C42Q814yes—
52C2×C42C2312yes—
53#108—28no—
54#107C2×C418yescomplemented
55#106C2×C418yescomplemented
56C4⋊C8—216no—
57#97—28no—
58C24#4111yescharacteristic
59C22×C4—24no—
60C22×C4—24no—
61C22×C4—22no—
62C22×C4—44no—
63C22×C4C22×C411yescharacteristic
64C22×C4C22×C411yescharacteristic
65C22×C4C2×D412yes—
66C22×C4C2×D411yescharacteristic
67C22×C4C2×D411yescharacteristic
68C22×C4C2×Q812yes—
69C22×C4C2×Q812yes—
70C22×C4#4111yescharacteristic
71C22×C4#4112yes—
72C22×C4C2411yescharacteristic
73M16—24no—
74M16—24no—
75M16—44no—
76C2×C8—24no—
77C2×C8—24no—
78C2×C8—22no—
79C2×C8—22no—
80C2×C8—24no—
81C2×C8—44no—
82C2×C8C4⋊C414yes—
83C2×C8C4⋊C414yes—
84C2×C8C4⋊C418yes—
85C2×C8C22×C412yes—
86C2×C8C22×C412yes—
87C2×C8C2×D414yes—
88C2×C8C2×D414yes—
89C2×C8C2×Q814yes—
90C4⋊C4—24no—
91C4⋊C4C22×C418yes—
92C22⋊C4—24no—
93C22⋊C4—24no—
94C42—24no—
95C42—24no—
96C42—22no—
97C42—24no—
98C42C2×Q814yes—
99C23—24no—
100C23C4×D411yescharacteristic
101C23C4×D411yescharacteristic
102C23C22⋊Q812yes—
103C23#12512yes—
104C23C2×#4111yescharacteristic
105C2×C4—28no—
106C2×C4—24no—
107C2×C4—44no—
108C2×C4—48no—
109C2×C4—48no—
110C2×C4C2×C4⋊C412yes—
111C2×C4C2×C4⋊C412yes—
112C2×C4C4×D411yescharacteristic
113C2×C4C4×D411yescharacteristic
114C2×C4C4×Q812yes—
115C2×C4C4×Q812yes—
116C2×C4#12112yes—
117C2×C4#12112yes—
118C2×C4C22⋊Q812yes—
119C2×C4#12512yes—
120C2×C4C4⋊Q812yes—
121C2×C4C4⋊Q812yes—
122C2×C4C23×C411yescharacteristic
123C2×C4C22×D411yescharacteristic
124C2×C4C22×D411yescharacteristic
125C2×C4C22×Q811yescharacteristic
126C2×C4C22×Q811yescharacteristic
127C2×C4C2×#4111yescharacteristic
128C8—24no—
129C8—44no—
130C8C2×C4⋊C414yes—
131C8C2×C4⋊C414yes—
132C22—22no—
133C22—22no—
134C22—24no—
135C22—24no—
136C22#38912yes—
137C22#38912yes—
138C22#44414yes—
139C22C2×C4×D411yescharacteristic
140C22C2×C22⋊Q811yescharacteristic
141C22C2×#12511yescharacteristic
142C4—44no—
143C4—48no—
144C4#38912yes—
145C4#38912yes—
146C4C22×C4⋊C411yescharacteristic
147C4C2×C4×Q811yescharacteristic
148C4C2×#12111yescharacteristic
149C4C2×C4⋊Q811yescharacteristic
150C2—21no—
151C2—21no—
152C2—22no—
153C2#194614yesdirect product factor
154C2C2×#38911yescharacteristic
155C2C2×#44412yes—
subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC23C4×D4
prime radicalC24#41
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C23×C8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
5. #1946C2direct (N × H)
14. #427C4semidirect
16. C2×#107C4semidirect
17. C2×#106C4semidirect
54. #107C2×C4semidirect
55. #106C2×C4semidirect
153. C2#1946direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#1082
C2×#4272
C2×#4242
C22×#972
#19462
C2×#3392