Index of multiplicative group in field extension
56551
Multiplicative group of field extension over base field
35034
Multiplicative inverses for $Z_n$
111347
Finding an example of field extensions satisfying certain properties
135341
number theory about index
48273
If a maximal subgroup is normal, it has prime index
20218
Is this field extension finite?
58937
Finite Index of Subgroup of Subgroup
42332
Existence of multiplicative inverse in field $\mathbb{Q}(\sqrt{d})$
49666
Generalization of index 2 subgroups are normal
78412
Representing a countable field by $\Bbb N$ [transport of algebraic structure]
100162
Minimal polynomial over an extension field divides the minimal polynomial over the base field
54082
Group with exactly two subgroups of index 2
7528
Index of the center of a group in the group is not a prime number
101869
Field Extension Notation
7108
Normal subgroup of prime index
59416
Quadratic residues and index w.r.t. primitive root of a odd prime p
69935
Field extensions of finite degree and primitive elements