- Dimensions of spaces of Hilbert modular forms, by level
- Factored characteristic polynomials of Hecke operators
- Rational Hilbert modular forms (these correspond to isogeny classes of elliptic curves over Q(sqrt(5)))

- Dimensions of
S
_{k}(Gamma_{0}(N)), S_{k}(Gamma_{1}(N)), and S_{k}(Gamma_{1}(N))(eps). - PARI-readable dimension tables for Gamma
_{0}(N) - MAGMA-readable dimension tables for
Gamma
_{1}(N) with character

- Characteristic polynomials of T
_{p}on S_{k}(SL_{2}(**Z**)) - Characteristic polynomials of T
_{p}on Gamma_{0}(N) and Gamma_{1}(N) - Discriminants of Hecke algebras
- Arithmetic data about
weight 2 newform on Gamma*every*_{0}(N) for all N<5135 (contains charpolys of many eigenvalues).

- q-expansions of newforms
- Basis of cuspforms
- q-expansions of eigenforms on Gamma
_{0}(N) of weight k<=14 - q-expansions of eigenforms on Gamma
_{1}(N) of weight k<=50 - Eigenvalues of modular forms on Gamma
_{0}(N) of weight <=4 and high level, and of weight<=100 and low level - Eigenforms on Gamma
_{0}(p) in terms of the free-abelian group on supersingular j-invariants

- PARI Tables of Cremona Elliptic Curves
- Isogeny class matrices for elliptic curves of conductor <= 40000
- Lratios L(E,1)/Omega_E for elliptic curves of conductor <= 40000
- Images of Galois Representations
- Cremona's
tables of elliptic curves over
**Q** - Armand Brumer and Oisin McGuinness's table of elliptic
curves of prime conductor less than 10
^{8}(or try the local mirror) - The Stein-Watkins database of elliptic curves of conductor up to
10
^{8}and of prime conductor up to 10^{10}. - Jennifer Sinnott's tables of elliptic curves over number fields
- A systematic table that Cremona made of elliptic curves over quadratic imaginary fields.
- Congruence modulus and modular degree for elliptic curves
- j-invariants of CM elliptic curves
- Pari table of Optimal elliptic curves
- Optimal quotients whose torsion isn't generated by (0)-(oo)

- Arithmetic data about
weight 2 newform on Gamma*every*_{0}(N) for all N<5135 (and many more up to 7248) - Component groups of J
_{0}(N)(**R**) and J_{1}(N)(**R**) - Eigenvalues and invariants for most
optimal quotients of J
_{0}(N), N < 3000 for quotients of J_{0}(N) - Sha lower bounds (odd parts)
for quotients of J
_{0}(N) - Intersection data (odd parts)
for the abelian subvarieties of J
_{0}(N) - Cuspidal subgroup of J
_{0}(N) - Order of real component group of J
_{0}(N) - When is
infinity a Weierstrass point on X
_{0}(p)^{+}? - When is
infinity a Weierstrass point on X
_{0}(N)? - Detailed arithmetic data about J_0(11) through J_0(125)
- Modular degree and congruence modulus for N<=500 (except N=183, 292, 317, 341, 476, 487, 488)

- Odd part of the ratio
L(A
_{f},1)/Omega_{Af}for square-free levels - Rationals part of the special values of the L-functions of level 1
- Rational part of L(A
_{f},1) for modular abelian varieties A_{f}of level up to 1500 - Central critical values for level 1 modular forms of weight <= 200.

- Slopes for of charpolys:
p=2 and 3 for Gamma
_{0}(N), with N small

- Antwerp IV (scanned and extended)

The Modular Forms Database