Defining parameters
Level: | \( N \) | \(=\) | \( 96 = 2^{5} \cdot 3 \) |
Weight: | \( k \) | \(=\) | \( 4 \) |
Character orbit: | \([\chi]\) | \(=\) | 96.f (of order \(2\) and degree \(1\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 24 \) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 2 \) | ||
Sturm bound: | \(64\) | ||
Trace bound: | \(1\) | ||
Distinguishing \(T_p\): | \(5\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{4}(96, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 56 | 14 | 42 |
Cusp forms | 40 | 10 | 30 |
Eisenstein series | 16 | 4 | 12 |
Trace form
Decomposition of \(S_{4}^{\mathrm{new}}(96, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
96.4.f.a | $2$ | $5.664$ | \(\Q(\sqrt{-2}) \) | \(\Q(\sqrt{-2}) \) | \(0\) | \(-10\) | \(0\) | \(0\) | \(q+(-5+\beta )q^{3}+(23-10\beta )q^{9}-50\beta q^{11}+\cdots\) |
96.4.f.b | $8$ | $5.664$ | \(\mathbb{Q}[x]/(x^{8} - \cdots)\) | None | \(0\) | \(12\) | \(0\) | \(0\) | \(q+(1+\beta _{2})q^{3}+\beta _{4}q^{5}-\beta _{6}q^{7}+(-9+\cdots)q^{9}+\cdots\) |
Decomposition of \(S_{4}^{\mathrm{old}}(96, [\chi])\) into lower level spaces
\( S_{4}^{\mathrm{old}}(96, [\chi]) \cong \) \(S_{4}^{\mathrm{new}}(24, [\chi])\)\(^{\oplus 3}\)