Defining parameters
Level: | \( N \) | \(=\) | \( 75 = 3 \cdot 5^{2} \) |
Weight: | \( k \) | \(=\) | \( 9 \) |
Character orbit: | \([\chi]\) | \(=\) | 75.f (of order \(4\) and degree \(2\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 5 \) |
Character field: | \(\Q(i)\) | ||
Newform subspaces: | \( 5 \) | ||
Sturm bound: | \(90\) | ||
Trace bound: | \(11\) | ||
Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{9}(75, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 172 | 48 | 124 |
Cusp forms | 148 | 48 | 100 |
Eisenstein series | 24 | 0 | 24 |
Trace form
Decomposition of \(S_{9}^{\mathrm{new}}(75, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
75.9.f.a | $4$ | $30.553$ | \(\Q(i, \sqrt{6})\) | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q+6\beta _{1}q^{2}-3^{3}\beta _{3}q^{3}-148\beta _{2}q^{4}+\cdots\) |
75.9.f.b | $8$ | $30.553$ | 8.0.\(\cdots\).2 | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q+(-2\beta _{1}-\beta _{5})q^{2}+3^{3}\beta _{3}q^{3}+(-106\beta _{2}+\cdots)q^{4}+\cdots\) |
75.9.f.c | $8$ | $30.553$ | 8.0.\(\cdots\).2 | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q+(2\beta _{3}-\beta _{5})q^{2}+3^{3}\beta _{2}q^{3}+(224\beta _{1}+\cdots)q^{4}+\cdots\) |
75.9.f.d | $12$ | $30.553$ | \(\mathbb{Q}[x]/(x^{12} - \cdots)\) | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q-\beta _{2}q^{2}+\beta _{9}q^{3}+(193\beta _{1}-\beta _{5})q^{4}+\cdots\) |
75.9.f.e | $16$ | $30.553$ | \(\mathbb{Q}[x]/(x^{16} - \cdots)\) | None | \(0\) | \(0\) | \(0\) | \(-4540\) | \(q+\beta _{2}q^{2}+\beta _{6}q^{3}+(-158\beta _{1}+3\beta _{2}+\cdots)q^{4}+\cdots\) |
Decomposition of \(S_{9}^{\mathrm{old}}(75, [\chi])\) into lower level spaces
\( S_{9}^{\mathrm{old}}(75, [\chi]) \cong \) \(S_{9}^{\mathrm{new}}(5, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{9}^{\mathrm{new}}(15, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{9}^{\mathrm{new}}(25, [\chi])\)\(^{\oplus 2}\)