Defining parameters
| Level: | \( N \) | \(=\) | \( 1936 = 2^{4} \cdot 11^{2} \) |
| Weight: | \( k \) | \(=\) | \( 4 \) |
| Character orbit: | \([\chi]\) | \(=\) | 1936.a (trivial) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 51 \) | ||
| Sturm bound: | \(1056\) | ||
| Trace bound: | \(7\) | ||
| Distinguishing \(T_p\): | \(3\), \(5\), \(7\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{4}(\Gamma_0(1936))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 828 | 168 | 660 |
| Cusp forms | 756 | 159 | 597 |
| Eisenstein series | 72 | 9 | 63 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
| \(2\) | \(11\) | Fricke | Total | Cusp | Eisenstein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | New | Old | All | New | Old | All | New | Old | ||||||
| \(+\) | \(+\) | \(+\) | \(210\) | \(42\) | \(168\) | \(192\) | \(42\) | \(150\) | \(18\) | \(0\) | \(18\) | |||
| \(+\) | \(-\) | \(-\) | \(204\) | \(40\) | \(164\) | \(186\) | \(40\) | \(146\) | \(18\) | \(0\) | \(18\) | |||
| \(-\) | \(+\) | \(-\) | \(204\) | \(41\) | \(163\) | \(186\) | \(37\) | \(149\) | \(18\) | \(4\) | \(14\) | |||
| \(-\) | \(-\) | \(+\) | \(210\) | \(45\) | \(165\) | \(192\) | \(40\) | \(152\) | \(18\) | \(5\) | \(13\) | |||
| Plus space | \(+\) | \(420\) | \(87\) | \(333\) | \(384\) | \(82\) | \(302\) | \(36\) | \(5\) | \(31\) | ||||
| Minus space | \(-\) | \(408\) | \(81\) | \(327\) | \(372\) | \(77\) | \(295\) | \(36\) | \(4\) | \(32\) | ||||
Trace form
Decomposition of \(S_{4}^{\mathrm{new}}(\Gamma_0(1936))\) into newform subspaces
Decomposition of \(S_{4}^{\mathrm{old}}(\Gamma_0(1936))\) into lower level spaces
\( S_{4}^{\mathrm{old}}(\Gamma_0(1936)) \simeq \) \(S_{4}^{\mathrm{new}}(\Gamma_0(8))\)\(^{\oplus 6}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(11))\)\(^{\oplus 10}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(16))\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(22))\)\(^{\oplus 8}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(44))\)\(^{\oplus 6}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(88))\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(121))\)\(^{\oplus 5}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(176))\)\(^{\oplus 2}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(242))\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(484))\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(968))\)\(^{\oplus 2}\)