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algebra learner's user avatar
algebra learner's user avatar
algebra learner's user avatar
algebra learner
  • Member for 7 months
  • Last seen more than a week ago
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11
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Top posts

View all questions and answers
question
9
Why does $S_{32}$ have so many transitive subgroups?
Jul 24
answer
6
Constructing a group of order $36$ with no normal subgroup of order $9$
Jul 12
question
5
Constructing a group of order $36$ with no normal subgroup of order $9$
Jul 12
question
5
If $f\in C^\infty(\mathbb R)$ and $C> 0$ then find $n \in \mathbb N$ and $\xi \in \mathbb R$ such that $|f^{(n)}(\xi)| > C$
Aug 13
question
3
Splitting field of $x^5 - 20$ over $\mathbb Q$ is not generated by sum of two distinct roots
Apr 28
question
3
If $p(x)\in \mathbb F_q[x]$ is irreducible of degree $d$ and $(m, q^d-1)=1$, then $p(x^m)$ has an irreducible factor of degree $d$
Apr 30
question
3
If $p,q$ are distinct primes and $\alpha=q^{1/p}, \beta=p^{1/q}$, then $[\mathbb Q(\alpha + \beta): \mathbb Q]=pq$.
Jul 22
question
3
How to rule out possible groups when calculating the Galois group of $x^4-2$ over $\mathbb Q$
Jul 23
question
3
Order of conjugacy class in normal subgroup divides order of conjugacy class in group
Aug 11
question
3
Why can’t the universal covering map $\mathbb{R} \to S^1$ be made into an étale sheaf of abelian groups?
Nov 16