Finite Group Databasebeta

← C31×#2987 #16842920

Subgroups — C31×#2987 #16842920

Order 3968.

314 conjugacy classes of subgroups; only the 248 normal subgroups are shown.

normal subgroups only

This group has 314 conjugacy classes of subgroups — too many to draw. Only its 248 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C31×#533C211yesmaximal, characteristic
2C31×#446C218yesmaximal, complemented
3C31×#433C214yesmaximal
4C31×#432C212yesmaximal
5C31×C4⋊Q8C412yes—
6C31×#125C412yes—
7C31×C22⋊Q8C414yes—
8C4×Q8×C31C2214yes—
9C31×#117C2212yes—
10C2×C42×C31C2211yescharacteristic
11C31×C4⋊C8C2214yes—
12C31×C4⋊C8C2218yes—
13C31×C22⋊C8C2214yes—
14C31×#97C2214yes—
15C31×#97C2214yes—
16C4×C8×C31C2214yes—
17C2×Q8×C31C2×C414yes—
18C22×C4×C31C2×C412yes—
19C22×C4×C31C2311yescharacteristic
20C2×C8×C31C2318yes—
21C4⋊C4×C31C2×C414yes—
22C4⋊C4×C31C2×C418yes—
23C4⋊C4×C31C2×C414yes—
24C22⋊C4×C31C2×C414yes—
25C42×C31C2×C411yescharacteristic
26C42×C31C2×C411yescharacteristic
27C42×C31C2314yes—
28C42×C31C2312yes—
29C23×C31C22×C411yescharacteristic
30Q8×C31—44no—
31C2×C4×C31—22no—
32C2×C4×C31—42no—
33C2×C4×C31C22×C411yescharacteristic
34C2×C4×C31C22×C412yes—
35C2×C4×C31C22×C412yes—
36C2×C4×C31C22×C418yes—
37C2×C4×C31C2411yescharacteristic
38C8×C31—28no—
39#2987C3111yesmaximal, characteristic, direct product factor, Sylow
40C22×C31—21no—
41C22×C31—22no—
42C22×C31C23×C411yescharacteristic
43C4×C31—21no—
44C4×C31—22no—
45C4×C31—22no—
46C4×C31—28no—
47C4×C312−1+412yes—
48#533C2×C3111yescharacteristic
49#446C2×C3118yescomplemented
50#433C2×C3114yes—
51#432C2×C3112yes—
52C2×C31—41no—
53C2×C31#51911yescharacteristic
54C2×C31#56812yes—
55C4⋊Q8C4×C3112yes—
56#125C4×C3112yes—
57C22⋊Q8C4×C3114yes—
58C4×Q8C22×C3114yes—
59#117C22×C3112yes—
60C2×C42C22×C3111yescharacteristic
61C4⋊C8C22×C3114yes—
62C4⋊C8C22×C3118yes—
63C22⋊C8C22×C3114yes—
64#97C22×C3114yes—
65#97C22×C3114yes—
66C4×C8C22×C3114yes—
67C31#298711yescharacteristic, direct product factor, Sylow
68C2×Q8C2×C4×C3114yes—
69C22×C4C2×C4×C3112yes—
70C22×C4C23×C3111yescharacteristic
71C2×C8C23×C3118yes—
72C4⋊C4C2×C4×C3114yes—
73C4⋊C4C2×C4×C3118yes—
74C4⋊C4C2×C4×C3114yes—
75C22⋊C4C2×C4×C3114yes—
76C42C2×C4×C3111yescharacteristic
77C42C2×C4×C3111yescharacteristic
78C42C23×C3114yes—
79C42C23×C3112yes—
80C23C22×C4×C3111yescharacteristic
81Q8—44no—
82C2×C4—22no—
83C2×C4—42no—
84C2×C4C22×C4×C3111yescharacteristic
85C2×C4C22×C4×C3112yes—
86C2×C4C22×C4×C3112yes—
87C2×C4C22×C4×C3118yes—
88C2×C4C24×C3111yescharacteristic
89C8—28no—
90C22—21no—
91C22—22no—
92C22C23×C4×C3111yescharacteristic
93C4—21no—
94C4—22no—
95C4—22no—
96C4—28no—
97C4C31×2−1+412yes—
98C2—41no—
99C2C31×#51911yescharacteristic
100C2C31×#56812yes—
subgroupG/H
centerC2×C4×C31C24
commutatorC22C23×C4×C31
Frattini, cosocleC2×C4C24×C31
socleC22×C31C23×C4
prime radicalC23×C31C22×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C4×C31 ◁ G

Complements

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

NH ≅ G/Ntype
2. C31×#446C2semidirect
39. #2987C31direct (N × H)
49. #446C2×C31semidirect
67. C31#2987direct (N × H)

Maximal subgroups

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

subgroupindex
C31×#5332
C31×#4462
C31×#4332
C31×#4322
#298731