Defining parameters
| Level: | \( N \) | \(=\) | \( 8281 = 7^{2} \cdot 13^{2} \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 8281.a (trivial) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 78 \) | ||
| Sturm bound: | \(1698\) | ||
| Trace bound: | \(17\) | ||
| Distinguishing \(T_p\): | \(2\), \(3\), \(5\), \(11\), \(17\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(8281))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 904 | 557 | 347 |
| Cusp forms | 793 | 502 | 291 |
| Eisenstein series | 111 | 55 | 56 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
| \(7\) | \(13\) | Fricke | Total | Cusp | Eisenstein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | New | Old | All | New | Old | All | New | Old | ||||||
| \(+\) | \(+\) | \(+\) | \(219\) | \(128\) | \(91\) | \(192\) | \(118\) | \(74\) | \(27\) | \(10\) | \(17\) | |||
| \(+\) | \(-\) | \(-\) | \(231\) | \(142\) | \(89\) | \(203\) | \(130\) | \(73\) | \(28\) | \(12\) | \(16\) | |||
| \(-\) | \(+\) | \(-\) | \(233\) | \(146\) | \(87\) | \(205\) | \(131\) | \(74\) | \(28\) | \(15\) | \(13\) | |||
| \(-\) | \(-\) | \(+\) | \(221\) | \(141\) | \(80\) | \(193\) | \(123\) | \(70\) | \(28\) | \(18\) | \(10\) | |||
| Plus space | \(+\) | \(440\) | \(269\) | \(171\) | \(385\) | \(241\) | \(144\) | \(55\) | \(28\) | \(27\) | ||||
| Minus space | \(-\) | \(464\) | \(288\) | \(176\) | \(408\) | \(261\) | \(147\) | \(56\) | \(27\) | \(29\) | ||||
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(8281))\) into newform subspaces
Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_0(8281))\) into lower level spaces
\( S_{2}^{\mathrm{old}}(\Gamma_0(8281)) \simeq \) \(S_{2}^{\mathrm{new}}(\Gamma_0(49))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(91))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(169))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(637))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1183))\)\(^{\oplus 2}\)