Finite Group Databasebeta

← #499×C257 #30656368

Subgroups — #499×C257 #30656368

Order 16448.

86 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1#125×C257C212yesmaximal
2#107×C257C212yesmaximal
3#106×C257C212yesmaximal
4C4×C8×C257C211yesmaximal, characteristic
5C2×C8×C257C2211yescharacteristic
6C2×C8×C257C2211yescharacteristic
7C4⋊C4×C257—24no—
8C4⋊C4×C257C2214yes—
9C42×C257C2211yescharacteristic
10C2×C4×C257—24no—
11C2×C4×C257D412yes—
12C2×C4×C257C2311yescharacteristic
13C8×C257Q812yes—
14C8×C257Q812yes—
15C22×C257C2×D411yescharacteristic
16C4×C257—22no—
17C4×C257—44no—
18C4×C257C2×Q811yescharacteristic
19C4×C257C2×Q811yescharacteristic
20C2×C257C4⋊Q811yescharacteristic
21C2×C257#13512yes—
22C257#49911yescharacteristic, direct product factor, Sylow
23#499C25711yesmaximal, characteristic, direct product factor, Sylow
24#125C2×C25712yes—
25#107C2×C25712yes—
26#106C2×C25712yes—
27C4×C8C2×C25711yescharacteristic
28C2×C8C22×C25711yescharacteristic
29C2×C8C22×C25711yescharacteristic
30C4⋊C4—24no—
31C4⋊C4C22×C25714yes—
32C42C22×C25711yescharacteristic
33C2×C4—24no—
34C2×C4D4×C25712yes—
35C2×C4C23×C25711yescharacteristic
36C8Q8×C25712yes—
37C8Q8×C25712yes—
38C22C2×D4×C25711yescharacteristic
39C4—22no—
40C4—44no—
41C4C2×Q8×C25711yescharacteristic
42C4C2×Q8×C25711yescharacteristic
43C2C4⋊Q8×C25711yescharacteristic
44C2#135×C25712yes—
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
22. C257#499direct (N × H)
23. #499C257direct (N × H)

Maximal subgroups

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

subgroupindex
#125×C2572
#107×C2572
#106×C2572
C4×C8×C2572
#499257