Defining parameters
| Level: | \( N \) | \(=\) | \( 335 = 5 \cdot 67 \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 335.a (trivial) |
| Character field: | \(\Q\) | ||
| Newform subspaces: | \( 5 \) | ||
| Sturm bound: | \(68\) | ||
| Trace bound: | \(2\) | ||
| Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(335))\).
| Total | New | Old | |
|---|---|---|---|
| Modular forms | 36 | 23 | 13 |
| Cusp forms | 33 | 23 | 10 |
| Eisenstein series | 3 | 0 | 3 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
| \(5\) | \(67\) | Fricke | Total | Cusp | Eisenstein | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All | New | Old | All | New | Old | All | New | Old | ||||||
| \(+\) | \(+\) | \(+\) | \(4\) | \(2\) | \(2\) | \(4\) | \(2\) | \(2\) | \(0\) | \(0\) | \(0\) | |||
| \(+\) | \(-\) | \(-\) | \(13\) | \(9\) | \(4\) | \(12\) | \(9\) | \(3\) | \(1\) | \(0\) | \(1\) | |||
| \(-\) | \(+\) | \(-\) | \(14\) | \(11\) | \(3\) | \(13\) | \(11\) | \(2\) | \(1\) | \(0\) | \(1\) | |||
| \(-\) | \(-\) | \(+\) | \(5\) | \(1\) | \(4\) | \(4\) | \(1\) | \(3\) | \(1\) | \(0\) | \(1\) | |||
| Plus space | \(+\) | \(9\) | \(3\) | \(6\) | \(8\) | \(3\) | \(5\) | \(1\) | \(0\) | \(1\) | ||||
| Minus space | \(-\) | \(27\) | \(20\) | \(7\) | \(25\) | \(20\) | \(5\) | \(2\) | \(0\) | \(2\) | ||||
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(335))\) into newform subspaces
| Label | Dim | $A$ | Field | CM | Traces | A-L signs | $q$-expansion | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | 5 | 67 | |||||||
| 335.2.a.a | $1$ | $2.675$ | \(\Q\) | None | \(0\) | \(0\) | \(1\) | \(-2\) | $-$ | $-$ | \(q-2q^{4}+q^{5}-2q^{7}-3q^{9}-2q^{11}+\cdots\) | |
| 335.2.a.b | $2$ | $2.675$ | \(\Q(\sqrt{2}) \) | None | \(0\) | \(0\) | \(-2\) | \(-4\) | $+$ | $+$ | \(q+\beta q^{2}-\beta q^{3}-q^{5}-2q^{6}-2q^{7}+\cdots\) | |
| 335.2.a.c | $2$ | $2.675$ | \(\Q(\sqrt{5}) \) | None | \(1\) | \(0\) | \(-2\) | \(0\) | $+$ | $-$ | \(q+\beta q^{2}+(-1+2\beta )q^{3}+(-1+\beta )q^{4}+\cdots\) | |
| 335.2.a.d | $7$ | $2.675$ | \(\mathbb{Q}[x]/(x^{7} - \cdots)\) | None | \(2\) | \(4\) | \(-7\) | \(10\) | $+$ | $-$ | \(q+(\beta _{2}+\beta _{5})q^{2}+(1-\beta _{4})q^{3}+(1+\beta _{1}+\cdots)q^{4}+\cdots\) | |
| 335.2.a.e | $11$ | $2.675$ | \(\mathbb{Q}[x]/(x^{11} - \cdots)\) | None | \(0\) | \(0\) | \(11\) | \(4\) | $-$ | $+$ | \(q-\beta _{1}q^{2}+\beta _{3}q^{3}+(1+\beta _{2})q^{4}+q^{5}+\cdots\) | |
Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_0(335))\) into lower level spaces
\( S_{2}^{\mathrm{old}}(\Gamma_0(335)) \simeq \) \(S_{2}^{\mathrm{new}}(\Gamma_0(67))\)\(^{\oplus 2}\)