Finite Group Databasebeta

← D257⋊#100 #30657720

Subgroups — D257⋊#100 #30657720

Order 16448.

186 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1D257⋊M16C212yesmaximal, complemented
2#22551652C214yesmaximal, complemented
3C2×D4×D257C211yesmaximal, characteristic
4#16861628—22no—
5#16861627C2214yescomplemented
6#16861626—22no—
7C23×D257C412yes—
8C2×D1028C411yescharacteristic
9C2×C22⋊D257C2212yes—
10D4×D257—22no—
11D4×D257—22no—
12C2×C4×D257C2211yescharacteristic
13C2×D4×C257C411yescharacteristic
14#14523346—24no—
15C22×D257—22no—
16C22×D257—22no—
17C22×D257—44no—
18C22×D257C2×C411yescharacteristic
19C22×D257C2×C412yes—
20D1028—22no—
21C22⋊D257—24no—
22C2×Dic257C2311yescharacteristic
23C4×D257D412yes—
24C4×D257D412yes—
25C23×C257C2×C412yes—
26D4×C257—22no—
27C2×C4×C257C2×C411yescharacteristic
28C22×C257—22no—
29C22×C257—42no—
30C22×C257C22×C411yescharacteristic
31C2×D257—22no—
32C2×D257—22no—
33C2×D257—44no—
34C2×D257—44no—
35C2×D257—42no—
36C2×D257C22⋊C411yescharacteristic
37C2×D257C22⋊C411yescharacteristic
38C4×C257C22⋊C412yes—
39Dic257C2×D412yes—
40C2×C257—21no—
41C2×C257—42no—
42C2×C257C2×C22⋊C411yescharacteristic
43D257—21no—
44D257—42no—
45D257#10012yescomplemented
46C257C2×#10011yescharacteristic, complemented, Sylow
47C2×#100—2571nomaximal, Sylow
48C22×D4—2571no—
49C2×M16—2572no—
50#100—2574no—
51C24—2572no—
52C2×D4—2572no—
53C2×D4—2571no—
54C2×D4—5142no—
55C2×D4—5142no—
56C2×D4#1175996711yescharacteristic
57C22×C4—2571no—
58M16—2574no—
59M16—5142no—
60C2×C8—5142no—
61C23—2571no—
62C23—2572no—
63C23—5142no—
64C23—5142no—
65C23—10284no—
66C23C2×#1175996712yes—
67D4—22no—
68D4—5144no—
69D4—5142no—
70C2×C4—2571no—
71C2×C4—2572no—
72C2×C4—2572no—
73C2×C4C2×#1175996711yescharacteristic
74C8—5144no—
75C22—2571no—
76C22—2571no—
77C22—22no—
78C22—5142no—
79C22—5142no—
80C22—42no—
81C22—10284no—
82C22—10282no—
83C22—10284no—
84C22C22×#1175996711yescharacteristic
85C4—2572no—
86C4C22⋊#1175996712yes—
87C2—2572no—
88C2—21no—
89C2—5141no—
90C2—42no—
91C2—10282no—
92C2C2×C22⋊#1175996711yescharacteristic
subgroupG/H
centerC2C2×C22⋊#11759967
commutatorC22×C257C22×C4
FrattiniC22C22×#11759967
FittingC2×D4×C257C4
socleC2×C257C2×C22⋊C4
prime radicalC2×D4×D257C2
cosocleC2×Dic257C23
hypercenterC2×D4#11759967
hypocenterC257C2×#100
LCSG ▷ C22×C257 ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×D4

Complements

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

NH ≅ G/Ntype
1. D257⋊M16C2semidirect
2. #22551652C2semidirect
5. #16861627C22semidirect
45. D257#100semidirect
46. C257C2×#100semidirect

Maximal subgroups

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

subgroupindex
D257⋊M162
#225516522
C2×D4×D2572
C2×#100257