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The database currently contains information on $S_k(\Gamma_0(N))$ for $(k,N)$ in the ranges $[2,12]\times [1,100]$ and $[2,40]\times [1,25]$, and on $S_k(\Gamma_1(N))$ in the ranges $[2,10]\times [1,50]$ and $[2,20]\times [1,16]$. More data is being added continually.

Switch to \(\Gamma_1(N)\)

Browse holomorphic newforms for \(\Gamma_0(N)\)

The table below gives the dimensions of the space of holomorphic newforms of integral weight for \(\Gamma_0(N)\) , with trivial character.
Weight Level \(N\)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
4 0 0 0 0 1 1 1 1 1 1 2 1 3 2 2 1 4 1 4 1 4 3 5 1
The dimension is clickable whenever the Hecke orbits are stored for that space.

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Group: \(\Gamma_0(N)\)  \(\Gamma_1(N)\)

Find a specific cusp form from the database

Search by label of a form, or of a space of forms
e.g. 1.12.1.a or 55.11.54