Finite Group Databasebeta

← GL(2,ℤ/4) #988

Subgroups — GL(2,ℤ/4) #988

Order 96.

62 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×A4C211yesmaximal, characteristic, complemented
2C2×S4C211yesmaximal, characteristic, complemented
3SL(2,ℤ/4)C211yesmaximal, characteristic, complemented
4#120—31nomaximal, Sylow
5C2×A4—21no—
6C2×A4C2211yescharacteristic
7S4—21no—
8#67—41nomaximal
9C24D311yescharacteristic, complemented
10C2×D4—31no—
11C2×D4—31no—
12C2×D4—31no—
13C22⋊C4—31no—
14C22⋊C4—31no—
15C22⋊C4—31no—
16C22×C3—41no—
17C2×D3—41no—
18A4D411yescharacteristic, complemented
19Dic3—41no—
20C23—21no—
21C23—31no—
22C23—31no—
23C23—31no—
24C23—61no—
25C23C2×D311yescharacteristic
26D4—61no—
27D4—62no—
28D4—61no—
29D4—61no—
30D4—61no—
31C2×C4—31no—
32C2×C4—31no—
33C2×C4—31no—
34C2×C3—41no—
35C2×C3—81no—
36D3—81no—
37C22—31no—
38C22—31no—
39C22—32no—
40C22—31no—
41C22—61no—
42C22—61no—
43C22—61no—
44C22—61no—
45C22—61no—
46C22—61no—
47C22#6711yescharacteristic, complemented
48C22S411yescharacteristic, complemented
49C4—61no—
50C4—61no—
51C4—61no—
52C3—41noSylow
53C2—21no—
54C2—31no—
55C2—31no—
56C2—61no—
57C2—121no—
58C2C2×S411yescharacteristic
subgroupG/H
center, FrattiniC2C2×S4
commutator, cosocleC2×A4C22
FittingC24D3
socleC23C2×D3
hypercenterC22S4
hypocenterA4D4
LCSG ▷ C2×A4 ▷ A4
UCSC1 ◁ C2 ◁ C22

Complements

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

NH ≅ G/Ntype
1. C22×A4C2semidirect
2. C2×S4C2semidirect
3. SL(2,ℤ/4)C2semidirect
9. C24D3semidirect
18. A4D4semidirect
47. C22#67semidirect
48. C22S4semidirect

Maximal subgroups

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

subgroupindex
C22×A42
C2×S42
SL(2,ℤ/4)2
#1203
#674