Finding some missing subfields of a splitting field of $x^4-7$
51021
Find all the intermediate fields of the splitting field of $x^4 - 2$ over $\mathbb{Q}$
10111
Prove or disprove that Q[√2] is a field
76685
Determine $\text{Aut}(S)$ where $S = \mathbb{Q}[x]/(x^2)$
119360
Find all subrings of $\mathbb{Z}^2$
103654
A finite field extension that is not simple
88181
Splitting field of $X^n-a$
147069
Intersection of field extensions
126127
A field extension of prime degree
146591
Inseparable polynomial over a non-perfect field
73412
Splitting field of $x^6+x^3+1$ over $\mathbb{Q}$
22158
Find the quadratic sub field of $\mathbb Q(\zeta_7)$ which can be expressed in the form $\mathbb Q(\sqrt D)$,where $D$ is an integer.
145140
Subfield of $\mathbb{Q}(\sqrt[n]{a})$
131549
Does cut return any fields if separator does not exist
27689
Separability over intersection of intermediate fields
119832
Galois group of the splitting field of the polynomial $x^5 - 2$ over $\mathbb Q$
78222
Can any monomorphism of a subfield of a splitting field be extended to an automorphism?
106737
A problem on field extension