Defining parameters
| Level: | \( N \) | \(=\) | \( 1089 = 3^{2} \cdot 11^{2} \) |
| Weight: | \( k \) | \(=\) | \( 4 \) |
| Character orbit: | \([\chi]\) | \(=\) | 1089.a (trivial) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 40 \) | ||
| Sturm bound: | \(528\) | ||
| Trace bound: | \(7\) | ||
| Distinguishing \(T_p\): | \(2\), \(5\), \(7\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{4}(\Gamma_0(1089))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 420 | 141 | 279 |
| Cusp forms | 372 | 132 | 240 |
| Eisenstein series | 48 | 9 | 39 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
| \(3\) | \(11\) | Fricke | Total | Cusp | Eisenstein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | New | Old | All | New | Old | All | New | Old | ||||||
| \(+\) | \(+\) | \(+\) | \(108\) | \(30\) | \(78\) | \(96\) | \(30\) | \(66\) | \(12\) | \(0\) | \(12\) | |||
| \(+\) | \(-\) | \(-\) | \(102\) | \(25\) | \(77\) | \(90\) | \(25\) | \(65\) | \(12\) | \(0\) | \(12\) | |||
| \(-\) | \(+\) | \(-\) | \(102\) | \(41\) | \(61\) | \(90\) | \(37\) | \(53\) | \(12\) | \(4\) | \(8\) | |||
| \(-\) | \(-\) | \(+\) | \(108\) | \(45\) | \(63\) | \(96\) | \(40\) | \(56\) | \(12\) | \(5\) | \(7\) | |||
| Plus space | \(+\) | \(216\) | \(75\) | \(141\) | \(192\) | \(70\) | \(122\) | \(24\) | \(5\) | \(19\) | ||||
| Minus space | \(-\) | \(204\) | \(66\) | \(138\) | \(180\) | \(62\) | \(118\) | \(24\) | \(4\) | \(20\) | ||||
Trace form
Decomposition of \(S_{4}^{\mathrm{new}}(\Gamma_0(1089))\) into newform subspaces
Decomposition of \(S_{4}^{\mathrm{old}}(\Gamma_0(1089))\) into lower level spaces
\( S_{4}^{\mathrm{old}}(\Gamma_0(1089)) \simeq \) \(S_{4}^{\mathrm{new}}(\Gamma_0(9))\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(11))\)\(^{\oplus 6}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(33))\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(99))\)\(^{\oplus 2}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(121))\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_0(363))\)\(^{\oplus 2}\)