Defining parameters
Level: | \( N \) | \(=\) | \( 501 = 3 \cdot 167 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 501.a (trivial) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 5 \) | ||
Sturm bound: | \(112\) | ||
Trace bound: | \(2\) | ||
Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(501))\).
Total | New | Old | |
---|---|---|---|
Modular forms | 58 | 27 | 31 |
Cusp forms | 55 | 27 | 28 |
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.
\(3\) | \(167\) | Fricke | Dim |
---|---|---|---|
\(+\) | \(+\) | $+$ | \(5\) |
\(+\) | \(-\) | $-$ | \(9\) |
\(-\) | \(+\) | $-$ | \(8\) |
\(-\) | \(-\) | $+$ | \(5\) |
Plus space | \(+\) | \(10\) | |
Minus space | \(-\) | \(17\) |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(501))\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | A-L signs | $q$-expansion | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | 3 | 167 | |||||||
501.2.a.a | $1$ | $4.001$ | \(\Q\) | None | \(1\) | \(-1\) | \(-4\) | \(4\) | $+$ | $-$ | \(q+q^{2}-q^{3}-q^{4}-4q^{5}-q^{6}+4q^{7}+\cdots\) | |
501.2.a.b | $5$ | $4.001$ | 5.5.36497.1 | None | \(-4\) | \(5\) | \(-9\) | \(-4\) | $-$ | $-$ | \(q+(-1+\beta _{3})q^{2}+q^{3}+(1+\beta _{1}-2\beta _{3}+\cdots)q^{4}+\cdots\) | |
501.2.a.c | $5$ | $4.001$ | 5.5.38569.1 | None | \(0\) | \(-5\) | \(-1\) | \(-4\) | $+$ | $+$ | \(q-\beta _{1}q^{2}-q^{3}+(\beta _{2}+\beta _{3})q^{4}+(\beta _{1}+\beta _{4})q^{5}+\cdots\) | |
501.2.a.d | $8$ | $4.001$ | \(\mathbb{Q}[x]/(x^{8} - \cdots)\) | None | \(-3\) | \(-8\) | \(1\) | \(0\) | $+$ | $-$ | \(q-\beta _{3}q^{2}-q^{3}+(1-\beta _{2}+\beta _{5}+\beta _{6}+\cdots)q^{4}+\cdots\) | |
501.2.a.e | $8$ | $4.001$ | \(\mathbb{Q}[x]/(x^{8} - \cdots)\) | None | \(3\) | \(8\) | \(7\) | \(-4\) | $-$ | $+$ | \(q+\beta _{1}q^{2}+q^{3}+(1+\beta _{3}+\beta _{5}+\beta _{7})q^{4}+\cdots\) |
Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_0(501))\) into lower level spaces
\( S_{2}^{\mathrm{old}}(\Gamma_0(501)) \cong \) \(S_{2}^{\mathrm{new}}(\Gamma_0(167))\)\(^{\oplus 2}\)