Defining parameters
Level: | \( N \) | \(=\) | \( 225 = 3^{2} \cdot 5^{2} \) |
Weight: | \( k \) | \(=\) | \( 4 \) |
Character orbit: | \([\chi]\) | \(=\) | 225.k (of order \(6\) and degree \(2\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 45 \) |
Character field: | \(\Q(\zeta_{6})\) | ||
Newform subspaces: | \( 5 \) | ||
Sturm bound: | \(120\) | ||
Trace bound: | \(4\) | ||
Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{4}(225, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 192 | 112 | 80 |
Cusp forms | 168 | 104 | 64 |
Eisenstein series | 24 | 8 | 16 |
Trace form
Decomposition of \(S_{4}^{\mathrm{new}}(225, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
225.4.k.a | $8$ | $13.275$ | 8.0.303595776.1 | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q-\beta _{7}q^{2}+(3\beta _{1}+\beta _{4}+2\beta _{5}+2\beta _{7})q^{3}+\cdots\) |
225.4.k.b | $8$ | $13.275$ | 8.0.303595776.1 | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q+(\beta _{1}-\beta _{7})q^{2}+(\beta _{4}-\beta _{5}-\beta _{7})q^{3}+\cdots\) |
225.4.k.c | $12$ | $13.275$ | \(\mathbb{Q}[x]/(x^{12} - \cdots)\) | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q+(-\beta _{7}+\beta _{11})q^{2}+(\beta _{5}+\beta _{8}+\beta _{11})q^{3}+\cdots\) |
225.4.k.d | $28$ | $13.275$ | None | \(0\) | \(0\) | \(0\) | \(0\) | ||
225.4.k.e | $48$ | $13.275$ | None | \(0\) | \(0\) | \(0\) | \(0\) |
Decomposition of \(S_{4}^{\mathrm{old}}(225, [\chi])\) into lower level spaces
\( S_{4}^{\mathrm{old}}(225, [\chi]) \cong \) \(S_{4}^{\mathrm{new}}(45, [\chi])\)\(^{\oplus 2}\)