Finite Group Databasebeta

← #487×C257 #30656356

Subgroups — #487×C257 #30656356

Order 16448.

98 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C4⋊Q8×C257C211yesmaximal, characteristic
2C4⋊Q8×C257C211yesmaximal, characteristic
3#103×C257C214yesmaximal
4C4×C8×C257C211yesmaximal, characteristic
5C2×Q8×C257—21no—
6C2×Q8×C257C2212yes—
7C2×C8×C257C2212yes—
8C4⋊C4×C257—21no—
9C4⋊C4×C257—21no—
10C4⋊C4×C257—21no—
11C4⋊C4×C257C2212yes—
12C42×C257C2211yescharacteristic
13Q8×C257—24no—
14Q8×C257—42no—
15C2×C4×C257—22no—
16C2×C4×C257—22no—
17C2×C4×C257D411yescharacteristic
18C2×C4×C257D411yescharacteristic
19C2×C4×C257C2311yescharacteristic
20C8×C257—22no—
21C22×C257C2×D411yescharacteristic
22C4×C257—42no—
23C4×C257—42no—
24C4×C257SD1612yes—
25C4×C257Q1612yes—
26C4×C257#4112yes—
27C2×C257#12411yescharacteristic
28C2×C257C2×SD1611yescharacteristic
29C2×C257C2×Q1611yescharacteristic
30C257#48711yescharacteristic, direct product factor, Sylow
31#487C25711yesmaximal, characteristic, direct product factor, Sylow
32C4⋊Q8C2×C25711yescharacteristic
33C4⋊Q8C2×C25711yescharacteristic
34#103C2×C25714yes—
35C4×C8C2×C25711yescharacteristic
36C2×Q8—21no—
37C2×Q8C22×C25712yes—
38C2×C8C22×C25712yes—
39C4⋊C4—21no—
40C4⋊C4—21no—
41C4⋊C4—21no—
42C4⋊C4C22×C25712yes—
43C42C22×C25711yescharacteristic
44Q8—24no—
45Q8—42no—
46C2×C4—22no—
47C2×C4—22no—
48C2×C4D4×C25711yescharacteristic
49C2×C4D4×C25711yescharacteristic
50C2×C4C23×C25711yescharacteristic
51C8—22no—
52C22C2×D4×C25711yescharacteristic
53C4—42no—
54C4—42no—
55C4SD16×C25712yes—
56C4Q16×C25712yes—
57C4#41×C25712yes—
58C2#124×C25711yescharacteristic
59C2C2×SD16×C25711yescharacteristic
60C2C2×Q16×C25711yescharacteristic
subgroupG/H
center, socle, prime radicalC22×C257C2×D4
commutator, Frattini, cosocleC2×C4C23×C257
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C257 ◁ C42×C257 ◁ G

Complements

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

NH ≅ G/Ntype
30. C257#487direct (N × H)
31. #487C257direct (N × H)

Maximal subgroups

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

subgroupindex
C4⋊Q8×C2572
#103×C2572
C4×C8×C2572
#487257