Finite Group Databasebeta

← C2×#1715 #19606

Subgroups — C2×#1715 #19606

Order 256.

515 conjugacy classes of subgroups; only the 159 normal subgroups are shown.

normal subgroups only

This group has 515 conjugacy classes of subgroups — too many to draw. Only its 159 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×#498C211yesmaximal, characteristic, complemented
2C2×#493C211yesmaximal, characteristic
3C2×#492C212yesmaximal, complemented
4C2×#486C212yesmaximal, complemented
5#1715C218yesmaximal, direct product factor
6C2×#322C211yesmaximal, characteristic, complemented
7C22×SD16—24no—
8C22×D8—22no—
9C2×C4⋊Q8C2212yes—
10C2×#127C2211yescharacteristic
11C2×#127C2211yescharacteristic
12#498—22no—
13#498C2214yescomplemented
14#493—22no—
15#493C2214yes—
16#492—24no—
17#492C2218yescomplemented
18#486—24no—
19#486C2218yescomplemented
20C2×#106—22no—
21C2×#102—24no—
22C2×C4×C8C2212yes—
23C2×C4×C8C2211yescharacteristic
24#322C2214yescomplemented
25C22×Q8—22no—
26C22×D4—21no—
27C22×D4—21no—
28C22×D4—22no—
29C22×D4—22no—
30C2×SD16—216no—
31C2×SD16—416no—
32C2×D8—28no—
33C2×D8—48no—
34C22×C8D414yes—
35C22×C8D412yes—
36C4⋊Q8—22no—
37C4⋊Q8—22no—
38C4⋊Q8—22no—
39C4⋊Q8C2314yes—
40#127—22no—
41#127—22no—
42#127—21no—
43#127—21no—
44#127C2312yes—
45#127C2312yes—
46C2×C4⋊C4—22no—
47C2×C4⋊C4—22no—
48C2×C42C2311yescharacteristic
49#106—28no—
50#102—216no—
51C4×C8D414yes—
52C4×C8D412yes—
53C4×C8C2314yes—
54C4×C8C2312yes—
55C24—41no—
56C24—41no—
57C2×Q8—24no—
58C2×Q8—42no—
59C2×Q8—48no—
60C2×D4—24no—
61C2×D4—22no—
62C2×D4—22no—
63C2×D4—24no—
64C2×D4—41no—
65C2×D4—41no—
66C2×D4—42no—
67C2×D4—42no—
68C2×D4—44no—
69C2×D4—44no—
70C2×D4—48no—
71C2×D4—48no—
72C22×C4—42no—
73C22×C4C2×D411yescharacteristic
74C22×C4C2×D412yes—
75SD16—432no—
76D8—416no—
77C2×C8—28no—
78C2×C8SD1618yescomplemented
79C2×C8C2×D418yes—
80C2×C8C2×D414yes—
81C4⋊C4—24no—
82C4⋊C4—24no—
83C4⋊C4—42no—
84C4⋊C4—42no—
85C42C2×D412yes—
86C42C2×D411yescharacteristic
87C42C2411yescharacteristic
88C23—42no—
89C23—42no—
90C23—82no—
91C23—82no—
92C23—84no—
93C23—84no—
94C23#12711yescharacteristic
95Q8—48no—
96Q8—84no—
97D4—44no—
98D4—44no—
99D4—48no—
100D4—48no—
101D4—82no—
102D4—82no—
103D4—84no—
104D4—84no—
105C2×C4—44no—
106C2×C4—84no—
107C2×C4#12711yescharacteristic
108C2×C4#12712yes—
109C2×C4C2×SD1614yes—
110C2×C4AGL(1,ℤ/8)18yes—
111C2×C4C22×D411yescharacteristic
112C2×C4C22×D412yes—
113C8—28no—
114C8C2×SD1618yescomplemented
115C22—82no—
116C22—82no—
117C22—84no—
118C22—84no—
119C22—164no—
120C22—164no—
121C22#49212yes—
122C22#49614yes—
123C22C2×#12711yescharacteristic
124C4—84no—
125C4#49212yes—
126C4#49614yes—
127C4C22×SD1612yes—
128C4C2×AGL(1,ℤ/8)14yes—
129C2—162no—
130C2—162no—
131C2#171514yesdirect product factor
132C2C2×#49211yescharacteristic
133C2C2×#49612yes—
subgroupG/H
center, socleC23#127
commutator, Frattini, cosocleC42C24
prime radicalC2×#493C2
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
1. C2×#498C2semidirect
3. C2×#492C2semidirect
4. C2×#486C2semidirect
5. #1715C2direct (N × H)
6. C2×#322C2semidirect
13. #498C22semidirect
17. #492C22semidirect
19. #486C22semidirect
24. #322C22semidirect
78. C2×C8SD16semidirect
114. C8C2×SD16semidirect
131. C2#1715direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#4982
C2×#4932
C2×#4922
C2×#4862
#17152
C2×#3222