Defining parameters
| Level: | \( N \) | \(=\) | \( 9920 = 2^{6} \cdot 5 \cdot 31 \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 9920.a (trivial) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 80 \) | ||
| Sturm bound: | \(3072\) | ||
| Trace bound: | \(13\) | ||
| Distinguishing \(T_p\): | \(3\), \(7\), \(11\), \(13\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(9920))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 1560 | 240 | 1320 |
| Cusp forms | 1513 | 240 | 1273 |
| Eisenstein series | 47 | 0 | 47 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
| \(2\) | \(5\) | \(31\) | Fricke | Total | Cusp | Eisenstein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | New | Old | All | New | Old | All | New | Old | |||||||
| \(+\) | \(+\) | \(+\) | \(+\) | \(183\) | \(28\) | \(155\) | \(178\) | \(28\) | \(150\) | \(5\) | \(0\) | \(5\) | |||
| \(+\) | \(+\) | \(-\) | \(-\) | \(207\) | \(34\) | \(173\) | \(201\) | \(34\) | \(167\) | \(6\) | \(0\) | \(6\) | |||
| \(+\) | \(-\) | \(+\) | \(-\) | \(195\) | \(32\) | \(163\) | \(189\) | \(32\) | \(157\) | \(6\) | \(0\) | \(6\) | |||
| \(+\) | \(-\) | \(-\) | \(+\) | \(195\) | \(26\) | \(169\) | \(189\) | \(26\) | \(163\) | \(6\) | \(0\) | \(6\) | |||
| \(-\) | \(+\) | \(+\) | \(-\) | \(201\) | \(32\) | \(169\) | \(195\) | \(32\) | \(163\) | \(6\) | \(0\) | \(6\) | |||
| \(-\) | \(+\) | \(-\) | \(+\) | \(189\) | \(26\) | \(163\) | \(183\) | \(26\) | \(157\) | \(6\) | \(0\) | \(6\) | |||
| \(-\) | \(-\) | \(+\) | \(+\) | \(189\) | \(28\) | \(161\) | \(183\) | \(28\) | \(155\) | \(6\) | \(0\) | \(6\) | |||
| \(-\) | \(-\) | \(-\) | \(-\) | \(201\) | \(34\) | \(167\) | \(195\) | \(34\) | \(161\) | \(6\) | \(0\) | \(6\) | |||
| Plus space | \(+\) | \(756\) | \(108\) | \(648\) | \(733\) | \(108\) | \(625\) | \(23\) | \(0\) | \(23\) | |||||
| Minus space | \(-\) | \(804\) | \(132\) | \(672\) | \(780\) | \(132\) | \(648\) | \(24\) | \(0\) | \(24\) | |||||
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(9920))\) into newform subspaces
Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_0(9920))\) into lower level spaces
\( S_{2}^{\mathrm{old}}(\Gamma_0(9920)) \simeq \) \(S_{2}^{\mathrm{new}}(\Gamma_0(20))\)\(^{\oplus 10}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(31))\)\(^{\oplus 14}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(32))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(40))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(62))\)\(^{\oplus 12}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(64))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(80))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(124))\)\(^{\oplus 10}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(155))\)\(^{\oplus 7}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(160))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(248))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(310))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(320))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(496))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(620))\)\(^{\oplus 5}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(992))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1240))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1984))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(2480))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(4960))\)\(^{\oplus 2}\)