Finite Group Databasebeta

← C2×#456 #3017

Subgroups — C2×#456 #3017

Order 128.

354 conjugacy classes of subgroups; only the 108 normal subgroups are shown.

normal subgroups only

This group has 354 conjugacy classes of subgroups — too many to draw. Only its 108 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
1C2×2−1+4C211yesmaximal, characteristic
2C2×#137C212yesmaximal, complemented
3C2×C4⋊Q8C211yesmaximal, characteristic, complemented
4#456C218yesmaximal, direct product factor
5C2×#104C212yesmaximal, complemented
6C2×#101C211yesmaximal, characteristic, complemented
72−1+4—24no—
82−1+4—22no—
92−1+4C2214yes—
10C2×#41—22no—
11C2×#41—22no—
12C2×#41C2212yes—
13C22×Q8—22no—
14C22×Q8C2211yescharacteristic
15C22×Q8C2211yescharacteristic
16#137—24no—
17#137C2218yescomplemented
18C2×Q16—22no—
19C2×SD16—22no—
20C2×M16C2212yes—
21C4⋊Q8—22no—
22C4⋊Q8C2214yescomplemented
23C2×C4⋊C4—22no—
24C2×C42C2211yescharacteristic
25#104C2218yescomplemented
26#101C2214yescomplemented
27#41—28no—
28#41—28no—
29#41—28no—
30#41—28no—
31#41—22no—
32#41—22no—
33#41D414yes—
34#41C2314yes—
35C2×Q8—22no—
36C2×Q8—28no—
37C2×Q8—28no—
38C2×Q8—22no—
39C2×Q8—22no—
40C2×Q8—21no—
41C2×Q8—22no—
42C2×Q8—22no—
43C2×Q8D412yes—
44C2×Q8D412yes—
45C2×Q8C2312yes—
46C2×Q8C2312yes—
47C2×D4—22no—
48C2×D4—22no—
49C2×D4D412yes—
50C22×C4—24no—
51C22×C4—21no—
52C22×C4—22no—
53C22×C4—21no—
54C22×C4D412yes—
55C22×C4C2311yescharacteristic
56Q16—28no—
57SD16—28no—
58M16—22no—
59M16C2314yes—
60C2×C8—22no—
61C4⋊C4—28no—
62C42—21no—
63C42C2312yes—
64C23—22no—
65C23C2×D411yescharacteristic
66Q8—28no—
67Q8—22no—
68Q8—24no—
69Q8—24no—
70Q8—24no—
71Q8—42no—
72Q8C2×D414yes—
73D4—28no—
74D4—24no—
75D4—24no—
76D4—22no—
77D4C2×D414yes—
78C2×C4—24no—
79C2×C4—216no—
80C2×C4—22no—
81C2×C4—22no—
82C2×C4—22no—
83C2×C4—22no—
84C2×C4—24no—
85C2×C4—24no—
86C2×C4—22no—
87C2×C4—41no—
88C2×C4—41no—
89C2×C4C2×D414yes—
90C2×C4C2×D411yescharacteristic
91C2×C4C2×D412yes—
92C2×C4C2×D412yes—
93C2×C4C2411yescharacteristic
94C8—24no—
95C22—22no—
96C22—24no—
97C22—44no—
98C22#12011yescharacteristic
99C22#12011yescharacteristic
100C22C22×D411yescharacteristic
101C4—24no—
102C4—24no—
103C4—24no—
104C4—42no—
105C4#12012yes—
106C4C22×D412yes—
107C2—21no—
108C2—21no—
109C2—44no—
110C2#45612yesdirect product factor
111C2C2×#12011yescharacteristic
subgroupG/H
center, socleC22#120
commutator, Frattini, cosocleC2×C4C24
prime radicalC2×2−1+4C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#137C2semidirect
3. C2×C4⋊Q8C2semidirect
4. #456C2direct (N × H)
5. C2×#104C2semidirect
6. C2×#101C2semidirect
17. #137C22semidirect
22. C4⋊Q8C22semidirect
25. #104C22semidirect
26. #101C22semidirect
110. C2#456direct (N × H)

Maximal subgroups

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

subgroupindex
C2×2−1+42
C2×#1372
C2×C4⋊Q82
#4562
C2×#1042
C2×#1012