Defining parameters
Level: | \( N \) | = | \( 1024 = 2^{10} \) |
Weight: | \( k \) | = | \( 4 \) |
Nonzero newspaces: | \( 8 \) | ||
Sturm bound: | \(262144\) | ||
Trace bound: | \(9\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{4}(\Gamma_1(1024))\).
Total | New | Old | |
---|---|---|---|
Modular forms | 99136 | 55536 | 43600 |
Cusp forms | 97472 | 55056 | 42416 |
Eisenstein series | 1664 | 480 | 1184 |
Trace form
Decomposition of \(S_{4}^{\mathrm{new}}(\Gamma_1(1024))\)
We only show spaces with even parity, since no modular forms exist when this condition is not satisfied. Within each space \( S_k^{\mathrm{new}}(N, \chi) \) we list available newforms together with their dimension.
Label | \(\chi\) | Newforms | Dimension | \(\chi\) degree |
---|---|---|---|---|
1024.4.a | \(\chi_{1024}(1, \cdot)\) | 1024.4.a.a | 2 | 1 |
1024.4.a.b | 2 | |||
1024.4.a.c | 2 | |||
1024.4.a.d | 2 | |||
1024.4.a.e | 4 | |||
1024.4.a.f | 4 | |||
1024.4.a.g | 4 | |||
1024.4.a.h | 4 | |||
1024.4.a.i | 4 | |||
1024.4.a.j | 4 | |||
1024.4.a.k | 8 | |||
1024.4.a.l | 8 | |||
1024.4.a.m | 10 | |||
1024.4.a.n | 10 | |||
1024.4.a.o | 12 | |||
1024.4.a.p | 12 | |||
1024.4.b | \(\chi_{1024}(513, \cdot)\) | 1024.4.b.a | 2 | 1 |
1024.4.b.b | 2 | |||
1024.4.b.c | 2 | |||
1024.4.b.d | 2 | |||
1024.4.b.e | 4 | |||
1024.4.b.f | 4 | |||
1024.4.b.g | 4 | |||
1024.4.b.h | 4 | |||
1024.4.b.i | 8 | |||
1024.4.b.j | 10 | |||
1024.4.b.k | 10 | |||
1024.4.b.l | 16 | |||
1024.4.b.m | 24 | |||
1024.4.e | \(\chi_{1024}(257, \cdot)\) | n/a | 184 | 2 |
1024.4.g | \(\chi_{1024}(129, \cdot)\) | n/a | 384 | 4 |
1024.4.i | \(\chi_{1024}(65, \cdot)\) | n/a | 736 | 8 |
1024.4.k | \(\chi_{1024}(33, \cdot)\) | n/a | 1504 | 16 |
1024.4.m | \(\chi_{1024}(17, \cdot)\) | n/a | 3040 | 32 |
1024.4.o | \(\chi_{1024}(9, \cdot)\) | None | 0 | 64 |
1024.4.q | \(\chi_{1024}(5, \cdot)\) | n/a | 49024 | 128 |
"n/a" means that newforms for that character have not been added to the database yet
Decomposition of \(S_{4}^{\mathrm{old}}(\Gamma_1(1024))\) into lower level spaces
\( S_{4}^{\mathrm{old}}(\Gamma_1(1024)) \cong \) \(S_{4}^{\mathrm{new}}(\Gamma_1(8))\)\(^{\oplus 8}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(16))\)\(^{\oplus 7}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(32))\)\(^{\oplus 6}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(64))\)\(^{\oplus 5}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(128))\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(256))\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(512))\)\(^{\oplus 2}\)