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Tommaso Centeleghe's user avatar
Tommaso Centeleghe's user avatar
Tommaso Centeleghe's user avatar
Tommaso Centeleghe
  • Member for 14 years, 4 months
  • Last seen more than 1 year ago
14 votes
3 answers
1k views

When do the sizes of conjugacy classes and squares of degrees of irreps give the same partition for a finite group?

12 votes
4 answers
937 views

Factorizing polynomials in $\mathbf{Z}[[x]]$

12 votes
1 answer
1k views

Endomorphisms rings of elliptic curves and congruences of $j$

11 votes
3 answers
2k views

Reference request for projective representations of finite groups over a non-problematic field

9 votes
3 answers
1k views

Supersingular elliptic curves and their "functorial" structure over F_p^2

9 votes
3 answers
1k views

A question on liftings of supersingular elliptic curves over the prime fields

9 votes
1 answer
958 views

Finite dimensional automorphic representations of a definite quaternion with prime discriminant and Hecke action

9 votes
1 answer
628 views

On simple factors of modular jacobians: endomorphism ring and simplicity of mod p reduction

8 votes
0 answers
482 views

Binary quadratic forms attached to supersingular elliptic curves over F_p?

6 votes
0 answers
224 views

How to construct Weil numbers in a given CM quartic field?

5 votes
4 answers
1k views

Decomposition of primes in Galois closures of number fields

5 votes
0 answers
228 views

Example of level one cuspidal Hecke Algebra T_k^0 such that p divides its index in its normalization, and p≥k-1?

5 votes
3 answers
640 views

Reference for a theorem of Tate on the endomorphism rings of AVs over finite fields

5 votes
0 answers
872 views

Elliptic curves over finite fields and 2x2 matrices

5 votes
0 answers
1k views

Why a certain "Hecke polynomial" is equal to a certain "Galois polynomial"?

5 votes
2 answers
928 views

Elliptic curves over $\mathbf{Q}$ with isogenous mod $\ell$ reductions, for several $\ell$

5 votes
0 answers
635 views

Can the Galois representation on the $p$-adic Tate module of $E/\mathbf{Q}_p$ be recovered from the $p$-divisible group associated to the mod $p$ good reduction of $E$?

4 votes
1 answer
238 views

Duality for rank one modules over a number ring

4 votes
0 answers
249 views

Ordinary vs Non-ordinary for GL(2)-type Abelian Surfaces over Q

4 votes
0 answers
219 views

What are the zeroes of $E_{p+1}$ on the modular curve $X_1(N)_{\overline{\mathbf{F}}_p}$?

3 votes
1 answer
251 views

Power series whose partial sums attain only finitely many values

3 votes
2 answers
731 views

What's known about complete split primes in Q(E[p])?

3 votes
1 answer
468 views

Can the factorisation of (p) in a number field K be described by the minimal polynomial of a primitive element?

3 votes
5 answers
904 views

Is there always, for a given prime $p$, a prime $\ell<p$ that is not a quadratic residue mod $p$?

2 votes
0 answers
234 views

How does one get that for elliptic curves $A$, $B$ over a number field, $a_\mathfrak{l}=b_\mathfrak{l}$ implies that the curves are isogenous?

2 votes
1 answer
561 views

Generalization of singular moduli

2 votes
2 answers
298 views

Do isogenies between AVs over finite fields separate finite subgroups?

2 votes
0 answers
136 views

Subgroups-ideals correspondence for abelian varieties over $\mathbf{F}_p$

1 vote
1 answer
152 views

From an eigenfom with $\mathbf{Q}$-coefficients to $j$-invariants

1 vote
0 answers
162 views

Embedding of fields in central simple algebras over number fields