Defining parameters
Level: | \( N \) | \(=\) | \( 74 = 2 \cdot 37 \) |
Weight: | \( k \) | \(=\) | \( 4 \) |
Character orbit: | \([\chi]\) | \(=\) | 74.c (of order \(3\) and degree \(2\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 37 \) |
Character field: | \(\Q(\zeta_{3})\) | ||
Newform subspaces: | \( 2 \) | ||
Sturm bound: | \(38\) | ||
Trace bound: | \(1\) | ||
Distinguishing \(T_p\): | \(3\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{4}(74, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 62 | 18 | 44 |
Cusp forms | 54 | 18 | 36 |
Eisenstein series | 8 | 0 | 8 |
Trace form
Decomposition of \(S_{4}^{\mathrm{new}}(74, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
74.4.c.a | $8$ | $4.366$ | \(\mathbb{Q}[x]/(x^{8} - \cdots)\) | None | \(8\) | \(-5\) | \(-10\) | \(3\) | \(q+(2-2\beta _{2})q^{2}+(-\beta _{1}-\beta _{2})q^{3}-4\beta _{2}q^{4}+\cdots\) |
74.4.c.b | $10$ | $4.366$ | \(\mathbb{Q}[x]/(x^{10} + \cdots)\) | None | \(-10\) | \(-5\) | \(-1\) | \(-1\) | \(q+2\beta _{3}q^{2}+(-1+\beta _{1}-\beta _{3})q^{3}+(-4+\cdots)q^{4}+\cdots\) |
Decomposition of \(S_{4}^{\mathrm{old}}(74, [\chi])\) into lower level spaces
\( S_{4}^{\mathrm{old}}(74, [\chi]) \cong \) \(S_{4}^{\mathrm{new}}(37, [\chi])\)\(^{\oplus 2}\)