Defining parameters
| Level: | \( N \) | \(=\) | \( 3381 = 3 \cdot 7^{2} \cdot 23 \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 3381.a (trivial) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 38 \) | ||
| Sturm bound: | \(896\) | ||
| Trace bound: | \(11\) | ||
| Distinguishing \(T_p\): | \(2\), \(5\), \(11\), \(13\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(3381))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 464 | 150 | 314 |
| Cusp forms | 433 | 150 | 283 |
| Eisenstein series | 31 | 0 | 31 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
| \(3\) | \(7\) | \(23\) | Fricke | Total | Cusp | Eisenstein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | New | Old | All | New | Old | All | New | Old | |||||||
| \(+\) | \(+\) | \(+\) | \(+\) | \(48\) | \(16\) | \(32\) | \(45\) | \(16\) | \(29\) | \(3\) | \(0\) | \(3\) | |||
| \(+\) | \(+\) | \(-\) | \(-\) | \(68\) | \(20\) | \(48\) | \(64\) | \(20\) | \(44\) | \(4\) | \(0\) | \(4\) | |||
| \(+\) | \(-\) | \(+\) | \(-\) | \(66\) | \(22\) | \(44\) | \(62\) | \(22\) | \(40\) | \(4\) | \(0\) | \(4\) | |||
| \(+\) | \(-\) | \(-\) | \(+\) | \(50\) | \(16\) | \(34\) | \(46\) | \(16\) | \(30\) | \(4\) | \(0\) | \(4\) | |||
| \(-\) | \(+\) | \(+\) | \(-\) | \(56\) | \(19\) | \(37\) | \(52\) | \(19\) | \(33\) | \(4\) | \(0\) | \(4\) | |||
| \(-\) | \(+\) | \(-\) | \(+\) | \(60\) | \(15\) | \(45\) | \(56\) | \(15\) | \(41\) | \(4\) | \(0\) | \(4\) | |||
| \(-\) | \(-\) | \(+\) | \(+\) | \(62\) | \(18\) | \(44\) | \(58\) | \(18\) | \(40\) | \(4\) | \(0\) | \(4\) | |||
| \(-\) | \(-\) | \(-\) | \(-\) | \(54\) | \(24\) | \(30\) | \(50\) | \(24\) | \(26\) | \(4\) | \(0\) | \(4\) | |||
| Plus space | \(+\) | \(220\) | \(65\) | \(155\) | \(205\) | \(65\) | \(140\) | \(15\) | \(0\) | \(15\) | |||||
| Minus space | \(-\) | \(244\) | \(85\) | \(159\) | \(228\) | \(85\) | \(143\) | \(16\) | \(0\) | \(16\) | |||||
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(3381))\) into newform subspaces
Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_0(3381))\) into lower level spaces
\( S_{2}^{\mathrm{old}}(\Gamma_0(3381)) \simeq \) \(S_{2}^{\mathrm{new}}(\Gamma_0(21))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(23))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(49))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(69))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(147))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(161))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(483))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1127))\)\(^{\oplus 2}\)