Defining parameters
Level: | \( N \) | \(=\) | \( 19 \) |
Weight: | \( k \) | \(=\) | \( 7 \) |
Character orbit: | \([\chi]\) | \(=\) | 19.b (of order \(2\) and degree \(1\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 19 \) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 2 \) | ||
Sturm bound: | \(11\) | ||
Trace bound: | \(1\) | ||
Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{7}(19, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 11 | 11 | 0 |
Cusp forms | 9 | 9 | 0 |
Eisenstein series | 2 | 2 | 0 |
Trace form
Decomposition of \(S_{7}^{\mathrm{new}}(19, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
19.7.b.a | $1$ | $4.371$ | \(\Q\) | \(\Q(\sqrt{-19}) \) | \(0\) | \(0\) | \(-54\) | \(610\) | \(q+2^{6}q^{4}-54q^{5}+610q^{7}+3^{6}q^{9}+\cdots\) |
19.7.b.b | $8$ | $4.371$ | \(\mathbb{Q}[x]/(x^{8} + \cdots)\) | None | \(0\) | \(0\) | \(108\) | \(-140\) | \(q+\beta _{1}q^{2}-\beta _{2}q^{3}+(-57+\beta _{3}-\beta _{4}+\cdots)q^{4}+\cdots\) |