Finite Group Databasebeta

← C2×#22551585 #30657261

Subgroups — C2×#22551585 #30657261

Order 16448.

246 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 246 conjugacy classes of subgroups — too many to draw. Only its 111 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
1#22551585C218yesmaximal, direct product factor
2C2×C4⋊Dic257C211yesmaximal, characteristic, complemented
3C2×#16861597C211yesmaximal, characteristic, complemented
4C2×#16861597C211yesmaximal, characteristic, complemented
5C2×C22⋊Dic257C211yesmaximal, characteristic
6C2×C22⋊Dic257C211yesmaximal, characteristic
7C2×C4×Dic257C211yesmaximal, characteristic, complemented
8C2×C22⋊C4×C257C211yesmaximal, characteristic
9C22×Dic257C2211yescharacteristic
10C22×Dic257C2211yescharacteristic
11C22×Dic257C2211yescharacteristic
12C22×Dic257C2211yescharacteristic
13C4⋊Dic257C2214yescomplemented
14#16861597C2214yescomplemented
15#16861597C2214yescomplemented
16C22⋊Dic257C2214yes—
17C22⋊Dic257C2214yes—
18C4×Dic257C2214yescomplemented
19C24×C257C2211yescharacteristic
20C22×C4×C257C2211yescharacteristic
21C22×C4×C257C2211yescharacteristic
22C22⋊C4×C257C2214yes—
23C2×Dic257—22no—
24C2×Dic257—22no—
25C2×Dic257—22no—
26C2×Dic257—22no—
27C2×Dic257C2312yes—
28C2×Dic257C2312yes—
29C2×Dic257C2312yes—
30C2×Dic257C2312yes—
31C23×C257—22no—
32C23×C257—22no—
33C23×C257—22no—
34C23×C257C2312yes—
35C23×C257C2311yescharacteristic
36C2×C4×C257—22no—
37C2×C4×C257—22no—
38C2×C4×C257C2312yes—
39C2×C4×C257C2312yes—
40C22×C257—22no—
41C22×C257—22no—
42C22×C257—22no—
43C22×C257—44no—
44C22×C257#4112yes—
45C22×C257#4112yes—
46C22×C257#4112yes—
47C22×C257C2411yescharacteristic
48C4×C257—22no—
49C4×C257—22no—
50Dic257—22no—
51Dic257—22no—
52Dic257—22no—
53Dic257—22no—
54C2×C257—42no—
55C2×C257#12614yescomplemented
56C2×C257C2×#4111yescharacteristic
57C2×C257C2×#4111yescharacteristic
58C2×C257C2×#4111yescharacteristic
59C257C2×#12611yescharacteristic, complemented, Sylow
60C2×#126—2571nomaximal, Sylow
61#126—2578no—
62C2×C4⋊C4—2571no—
63C2×C4⋊C4—2571no—
64C2×C4⋊C4—2571no—
65C2×C22⋊C4—2571no—
66C2×C22⋊C4—2571no—
67C2×C22⋊C4D25711yescharacteristic
68C2×C42—2571no—
69C24C2×D25711yescharacteristic
70C22×C4—2571no—
71C22×C4—2571no—
72C22×C4—2571no—
73C22×C4—2571no—
74C22×C4C2×D25711yescharacteristic
75C22×C4C2×D25711yescharacteristic
76C4⋊C4—2574no—
77C4⋊C4—2574no—
78C4⋊C4—2574no—
79C22⋊C4—2574no—
80C22⋊C4—2574no—
81C22⋊C4C2×D25714yes—
82C42—2574no—
83C23—22no—
84C23—22no—
85C23—22no—
86C23C22×D25712yes—
87C23C22×D25711yescharacteristic
88C2×C4—2572no—
89C2×C4—2572no—
90C2×C4—2572no—
91C2×C4—2572no—
92C2×C4—22no—
93C2×C4—22no—
94C2×C4—5142no—
95C2×C4—5142no—
96C2×C4—5142no—
97C2×C4—5142no—
98C2×C4C22×D25712yes—
99C2×C4C22×D25712yes—
100C22—22no—
101C22—22no—
102C22—22no—
103C22—44no—
104C22#1686161712yes—
105C22#1686161712yes—
106C22#1686161812yes—
107C22C23×D25711yescharacteristic
108C4—22no—
109C4—22no—
110C4—5142no—
111C4—5142no—
112C4—5142no—
113C4—5142no—
114C2—42no—
115C2#2255158514yesdirect product factor
116C2C2×#1686161711yescharacteristic
117C2C2×#1686161711yescharacteristic
118C2C2×#1686161811yescharacteristic
subgroupG/H
centerC23C22×D257
commutator, cosocleC22×C257C24
FrattiniC22C23×D257
FittingC2×C22⋊C4×C257C2
socleC23×C257C23
prime radicalC24×C257C22
hypercenterC2×C22⋊C4D257
hypocenterC257C2×#126
LCSG ▷ C22×C257 ▷ C257
UCSC1 ◁ C23 ◁ C2×C22⋊C4

Complements

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

NH ≅ G/Ntype
1. #22551585C2direct (N × H)
2. C2×C4⋊Dic257C2semidirect
3. C2×#16861597C2semidirect
4. C2×#16861597C2semidirect
7. C2×C4×Dic257C2semidirect
13. C4⋊Dic257C22semidirect
14. #16861597C22semidirect
15. #16861597C22semidirect
18. C4×Dic257C22semidirect
55. C2×C257#126semidirect
59. C257C2×#126semidirect
115. C2#22551585direct (N × H)

Maximal subgroups

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

subgroupindex
#225515852
C2×C4⋊Dic2572
C2×#168615972
C2×C22⋊Dic2572
C2×C4×Dic2572
C2×C22⋊C4×C2572
C2×#126257