Finite Group Databasebeta

← #137×C991 #44540348

Subgroups — #137×C991 #44540348

Order 31712.

60 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1#41×C991C211yesmaximal, characteristic
2C2×Q8×C991C211yesmaximal, characteristic, complemented
3Q16×C991C212yesmaximal, complemented
4SD16×C991C212yesmaximal, complemented
5M16×C991C211yesmaximal, characteristic, complemented
6Q8×C991—21no—
7Q8×C991C2212yes—
8Q8×C991C2211yescharacteristic
9D4×C991—21no—
10D4×C991C2211yescharacteristic
11C2×C4×C991—21no—
12C2×C4×C991—21no—
13C2×C4×C991C2211yescharacteristic
14C8×C991C2212yes—
15C22×C991—21no—
16C22×C991D411yescharacteristic
17C4×C991—21no—
18C4×C991—22no—
19C4×C991D411yescharacteristic
20C4×C991C2311yescharacteristic
21C2×C991—21no—
22C2×C991—41no—
23C2×C991C2×D411yescharacteristic
24C991#13711yescharacteristic, direct product factor, Sylow
25#137C99111yesmaximal, characteristic, direct product factor, Sylow
26#41C2×C99111yescharacteristic
27C2×Q8C2×C99111yescharacteristic, complemented
28Q16C2×C99112yescomplemented
29SD16C2×C99112yescomplemented
30M16C2×C99111yescharacteristic, complemented
31Q8—21no—
32Q8C22×C99112yes—
33Q8C22×C99111yescharacteristic
34D4—21no—
35D4C22×C99111yescharacteristic
36C2×C4—21no—
37C2×C4—21no—
38C2×C4C22×C99111yescharacteristic
39C8C22×C99112yes—
40C22—21no—
41C22D4×C99111yescharacteristic
42C4—21no—
43C4—22no—
44C4D4×C99111yescharacteristic
45C4C23×C99111yescharacteristic
46C2—21no—
47C2—41no—
48C2C2×D4×C99111yescharacteristic
subgroupG/H
center, socleC2×C991C2×D4
commutator, Frattini, cosocleC4C23×C991
prime radical#41×C991C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C991 ◁ C2×C4×C991 ◁ G

Complements

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

NH ≅ G/Ntype
2. C2×Q8×C991C2semidirect
3. Q16×C991C2semidirect
4. SD16×C991C2semidirect
5. M16×C991C2semidirect
24. C991#137direct (N × H)
25. #137C991direct (N × H)
27. C2×Q8C2×C991semidirect
28. Q16C2×C991semidirect
29. SD16C2×C991semidirect
30. M16C2×C991semidirect

Maximal subgroups

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

subgroupindex
#41×C9912
C2×Q8×C9912
Q16×C9912
SD16×C9912
M16×C9912
#137991