Defining parameters
Level: | \( N \) | \(=\) | \( 9 = 3^{2} \) |
Weight: | \( k \) | \(=\) | \( 48 \) |
Character orbit: | \([\chi]\) | \(=\) | 9.a (trivial) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 4 \) | ||
Sturm bound: | \(48\) | ||
Trace bound: | \(2\) | ||
Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{48}(\Gamma_0(9))\).
Total | New | Old | |
---|---|---|---|
Modular forms | 49 | 20 | 29 |
Cusp forms | 45 | 19 | 26 |
Eisenstein series | 4 | 1 | 3 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
\(3\) | Dim |
---|---|
\(+\) | \(8\) |
\(-\) | \(11\) |
Trace form
Decomposition of \(S_{48}^{\mathrm{new}}(\Gamma_0(9))\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | A-L signs | $q$-expansion | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | 3 | |||||||
9.48.a.a | $3$ | $125.917$ | \(\mathbb{Q}[x]/(x^{3} - \cdots)\) | None | \(15384840\) | \(0\) | \(-15\!\cdots\!50\) | \(59\!\cdots\!84\) | $-$ | \(q+(5128280+\beta _{1})q^{2}+(55047382225600+\cdots)q^{4}+\cdots\) | |
9.48.a.b | $4$ | $125.917$ | \(\mathbb{Q}[x]/(x^{4} - \cdots)\) | None | \(-12202326\) | \(0\) | \(-38\!\cdots\!40\) | \(-39\!\cdots\!08\) | $-$ | \(q+(-3050581-\beta _{1})q^{2}+(48210021465679+\cdots)q^{4}+\cdots\) | |
9.48.a.c | $4$ | $125.917$ | \(\mathbb{Q}[x]/(x^{4} - \cdots)\) | None | \(-5785560\) | \(0\) | \(31\!\cdots\!00\) | \(-39\!\cdots\!00\) | $-$ | \(q+(-1446390-\beta _{1})q^{2}+(101201874790288+\cdots)q^{4}+\cdots\) | |
9.48.a.d | $8$ | $125.917$ | \(\mathbb{Q}[x]/(x^{8} - \cdots)\) | None | \(0\) | \(0\) | \(0\) | \(-28\!\cdots\!40\) | $+$ | \(q+\beta _{1}q^{2}+(41584911618802+\beta _{4}+\cdots)q^{4}+\cdots\) |
Decomposition of \(S_{48}^{\mathrm{old}}(\Gamma_0(9))\) into lower level spaces
\( S_{48}^{\mathrm{old}}(\Gamma_0(9)) \cong \) \(S_{48}^{\mathrm{new}}(\Gamma_0(1))\)\(^{\oplus 3}\)\(\oplus\)\(S_{48}^{\mathrm{new}}(\Gamma_0(3))\)\(^{\oplus 2}\)