Defining parameters
| Level: | \( N \) | \(=\) | \( 3872 = 2^{5} \cdot 11^{2} \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 3872.a (trivial) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 43 \) | ||
| Sturm bound: | \(1056\) | ||
| Trace bound: | \(13\) | ||
| Distinguishing \(T_p\): | \(3\), \(5\), \(7\), \(13\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(3872))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 576 | 109 | 467 |
| Cusp forms | 481 | 109 | 372 |
| 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.
| \(2\) | \(11\) | Fricke | Total | Cusp | Eisenstein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | New | Old | All | New | Old | All | New | Old | ||||||
| \(+\) | \(+\) | \(+\) | \(138\) | \(25\) | \(113\) | \(115\) | \(25\) | \(90\) | \(23\) | \(0\) | \(23\) | |||
| \(+\) | \(-\) | \(-\) | \(148\) | \(30\) | \(118\) | \(124\) | \(30\) | \(94\) | \(24\) | \(0\) | \(24\) | |||
| \(-\) | \(+\) | \(-\) | \(150\) | \(29\) | \(121\) | \(126\) | \(29\) | \(97\) | \(24\) | \(0\) | \(24\) | |||
| \(-\) | \(-\) | \(+\) | \(140\) | \(25\) | \(115\) | \(116\) | \(25\) | \(91\) | \(24\) | \(0\) | \(24\) | |||
| Plus space | \(+\) | \(278\) | \(50\) | \(228\) | \(231\) | \(50\) | \(181\) | \(47\) | \(0\) | \(47\) | ||||
| Minus space | \(-\) | \(298\) | \(59\) | \(239\) | \(250\) | \(59\) | \(191\) | \(48\) | \(0\) | \(48\) | ||||
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(3872))\) into newform subspaces
Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_0(3872))\) into lower level spaces
\( S_{2}^{\mathrm{old}}(\Gamma_0(3872)) \simeq \) \(S_{2}^{\mathrm{new}}(\Gamma_0(11))\)\(^{\oplus 12}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(32))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(44))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(88))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(121))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(176))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(242))\)\(^{\oplus 5}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(352))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(484))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(968))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1936))\)\(^{\oplus 2}\)