Defining parameters
| Level: | \( N \) | \(=\) | \( 3840 = 2^{8} \cdot 3 \cdot 5 \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 3840.a (trivial) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 44 \) | ||
| Sturm bound: | \(1536\) | ||
| Trace bound: | \(23\) | ||
| Distinguishing \(T_p\): | \(7\), \(11\), \(13\), \(17\), \(19\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(3840))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 816 | 64 | 752 |
| Cusp forms | 721 | 64 | 657 |
| Eisenstein series | 95 | 0 | 95 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
| \(2\) | \(3\) | \(5\) | Fricke | Total | Cusp | Eisenstein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | New | Old | All | New | Old | All | New | Old | |||||||
| \(+\) | \(+\) | \(+\) | \(+\) | \(95\) | \(8\) | \(87\) | \(84\) | \(8\) | \(76\) | \(11\) | \(0\) | \(11\) | |||
| \(+\) | \(+\) | \(-\) | \(-\) | \(109\) | \(10\) | \(99\) | \(97\) | \(10\) | \(87\) | \(12\) | \(0\) | \(12\) | |||
| \(+\) | \(-\) | \(+\) | \(-\) | \(101\) | \(8\) | \(93\) | \(89\) | \(8\) | \(81\) | \(12\) | \(0\) | \(12\) | |||
| \(+\) | \(-\) | \(-\) | \(+\) | \(103\) | \(6\) | \(97\) | \(91\) | \(6\) | \(85\) | \(12\) | \(0\) | \(12\) | |||
| \(-\) | \(+\) | \(+\) | \(-\) | \(107\) | \(8\) | \(99\) | \(95\) | \(8\) | \(87\) | \(12\) | \(0\) | \(12\) | |||
| \(-\) | \(+\) | \(-\) | \(+\) | \(97\) | \(6\) | \(91\) | \(85\) | \(6\) | \(79\) | \(12\) | \(0\) | \(12\) | |||
| \(-\) | \(-\) | \(+\) | \(+\) | \(105\) | \(8\) | \(97\) | \(93\) | \(8\) | \(85\) | \(12\) | \(0\) | \(12\) | |||
| \(-\) | \(-\) | \(-\) | \(-\) | \(99\) | \(10\) | \(89\) | \(87\) | \(10\) | \(77\) | \(12\) | \(0\) | \(12\) | |||
| Plus space | \(+\) | \(400\) | \(28\) | \(372\) | \(353\) | \(28\) | \(325\) | \(47\) | \(0\) | \(47\) | |||||
| Minus space | \(-\) | \(416\) | \(36\) | \(380\) | \(368\) | \(36\) | \(332\) | \(48\) | \(0\) | \(48\) | |||||
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(3840))\) into newform subspaces
Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_0(3840))\) into lower level spaces
\( S_{2}^{\mathrm{old}}(\Gamma_0(3840)) \simeq \) \(S_{2}^{\mathrm{new}}(\Gamma_0(15))\)\(^{\oplus 9}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(20))\)\(^{\oplus 14}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(24))\)\(^{\oplus 12}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(30))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(32))\)\(^{\oplus 16}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(40))\)\(^{\oplus 12}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(48))\)\(^{\oplus 10}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(64))\)\(^{\oplus 12}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(80))\)\(^{\oplus 10}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(96))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(120))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(128))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(160))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(192))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(240))\)\(^{\oplus 5}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(256))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(320))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(384))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(480))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(640))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(768))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(960))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1280))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1920))\)\(^{\oplus 2}\)