Defining parameters
| Level: | \( N \) | \(=\) | \( 6400 = 2^{8} \cdot 5^{2} \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 6400.a (trivial) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 74 \) | ||
| Sturm bound: | \(1920\) | ||
| Trace bound: | \(31\) | ||
| Distinguishing \(T_p\): | \(3\), \(7\), \(11\), \(13\), \(17\), \(29\), \(31\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(6400))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 1032 | 158 | 874 |
| Cusp forms | 889 | 146 | 743 |
| Eisenstein series | 143 | 12 | 131 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
| \(2\) | \(5\) | Fricke | Total | Cusp | Eisenstein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | New | Old | All | New | Old | All | New | Old | ||||||
| \(+\) | \(+\) | \(+\) | \(252\) | \(36\) | \(216\) | \(217\) | \(34\) | \(183\) | \(35\) | \(2\) | \(33\) | |||
| \(+\) | \(-\) | \(-\) | \(260\) | \(44\) | \(216\) | \(224\) | \(40\) | \(184\) | \(36\) | \(4\) | \(32\) | |||
| \(-\) | \(+\) | \(-\) | \(264\) | \(38\) | \(226\) | \(228\) | \(36\) | \(192\) | \(36\) | \(2\) | \(34\) | |||
| \(-\) | \(-\) | \(+\) | \(256\) | \(40\) | \(216\) | \(220\) | \(36\) | \(184\) | \(36\) | \(4\) | \(32\) | |||
| Plus space | \(+\) | \(508\) | \(76\) | \(432\) | \(437\) | \(70\) | \(367\) | \(71\) | \(6\) | \(65\) | ||||
| Minus space | \(-\) | \(524\) | \(82\) | \(442\) | \(452\) | \(76\) | \(376\) | \(72\) | \(6\) | \(66\) | ||||
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(6400))\) into newform subspaces
Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_0(6400))\) into lower level spaces
\( S_{2}^{\mathrm{old}}(\Gamma_0(6400)) \simeq \) \(S_{2}^{\mathrm{new}}(\Gamma_0(20))\)\(^{\oplus 14}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(32))\)\(^{\oplus 12}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(40))\)\(^{\oplus 12}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(50))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(64))\)\(^{\oplus 9}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(80))\)\(^{\oplus 10}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(100))\)\(^{\oplus 7}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(128))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(160))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(200))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(256))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(320))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(400))\)\(^{\oplus 5}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(640))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(800))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1280))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1600))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(3200))\)\(^{\oplus 2}\)