Finite Group Databasebeta

← #510×C257 #30656379

Subgroups — #510×C257 #30656379

Order 16448.

82 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1#135×C257C211yesmaximal, characteristic
2C2×Q16×C257C211yesmaximal, characteristic, complemented
3Q32×C257C212yesmaximal, complemented
4SD32×C257C212yesmaximal, complemented
5M32×C257C211yesmaximal, characteristic, complemented
6#41×C257—21no—
7C2×Q8×C257—21no—
8Q16×C257—21no—
9Q16×C257C2212yes—
10Q16×C257C2211yescharacteristic
11SD16×C257—21no—
12D8×C257C2211yescharacteristic
13C2×C8×C257C2211yescharacteristic
14C16×C257C2212yes—
15Q8×C257—21no—
16Q8×C257—22no—
17Q8×C257—41no—
18D4×C257—21no—
19D4×C257—41no—
20C2×C4×C257—41no—
21C2×C4×C257—41no—
22C2×C4×C257D411yescharacteristic
23C8×C257D411yescharacteristic
24C8×C257C2311yescharacteristic
25C22×C257—41no—
26C22×C257D811yescharacteristic
27C4×C257—41no—
28C4×C257—42no—
29C4×C257D811yescharacteristic
30C4×C257C2×D411yescharacteristic
31C2×C257—21no—
32C2×C257—81no—
33C2×C257C2×D811yescharacteristic
34C257#51011yescharacteristic, direct product factor, Sylow
35#510C25711yesmaximal, characteristic, direct product factor, Sylow
36#135C2×C25711yescharacteristic
37C2×Q16C2×C25711yescharacteristic, complemented
38Q32C2×C25712yescomplemented
39SD32C2×C25712yescomplemented
40M32C2×C25711yescharacteristic, complemented
41#41—21no—
42C2×Q8—21no—
43Q16—21no—
44Q16C22×C25712yes—
45Q16C22×C25711yescharacteristic
46SD16—21no—
47D8C22×C25711yescharacteristic
48C2×C8C22×C25711yescharacteristic
49C16C22×C25712yes—
50Q8—21no—
51Q8—22no—
52Q8—41no—
53D4—21no—
54D4—41no—
55C2×C4—41no—
56C2×C4—41no—
57C2×C4D4×C25711yescharacteristic
58C8D4×C25711yescharacteristic
59C8C23×C25711yescharacteristic
60C22—41no—
61C22D8×C25711yescharacteristic
62C4—41no—
63C4—42no—
64C4D8×C25711yescharacteristic
65C4C2×D4×C25711yescharacteristic
66C2—21no—
67C2—81no—
68C2C2×D8×C25711yescharacteristic
subgroupG/H
center, socleC2×C257C2×D8
commutator, Frattini, cosocleC8C23×C257
prime radical#135×C257C2
LCSG ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C257 ◁ C2×C4×C257 ◁ C2×C8×C257 ◁ G

Complements

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

NH ≅ G/Ntype
2. C2×Q16×C257C2semidirect
3. Q32×C257C2semidirect
4. SD32×C257C2semidirect
5. M32×C257C2semidirect
34. C257#510direct (N × H)
35. #510C257direct (N × H)
37. C2×Q16C2×C257semidirect
38. Q32C2×C257semidirect
39. SD32C2×C257semidirect
40. M32C2×C257semidirect

Maximal subgroups

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

subgroupindex
#135×C2572
C2×Q16×C2572
Q32×C2572
SD32×C2572
M32×C2572
#510257