Defining parameters
Level: | \( N \) | \(=\) | \( 1071 = 3^{2} \cdot 7 \cdot 17 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 1071.n (of order \(4\) and degree \(2\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 17 \) |
Character field: | \(\Q(i)\) | ||
Newform subspaces: | \( 4 \) | ||
Sturm bound: | \(288\) | ||
Trace bound: | \(5\) | ||
Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(1071, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 304 | 92 | 212 |
Cusp forms | 272 | 92 | 180 |
Eisenstein series | 32 | 0 | 32 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(1071, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
1071.2.n.a | $12$ | $8.552$ | 12.0.\(\cdots\).1 | None | \(0\) | \(0\) | \(-8\) | \(0\) | \(q+\beta _{10}q^{2}+(1-\beta _{2}+\beta _{7}-\beta _{8})q^{4}+\cdots\) |
1071.2.n.b | $20$ | $8.552$ | \(\mathbb{Q}[x]/(x^{20} + \cdots)\) | None | \(0\) | \(0\) | \(-8\) | \(0\) | \(q+\beta _{1}q^{2}+(-1-\beta _{7}+\beta _{8})q^{4}+(\beta _{10}+\cdots)q^{5}+\cdots\) |
1071.2.n.c | $20$ | $8.552$ | \(\mathbb{Q}[x]/(x^{20} + \cdots)\) | None | \(0\) | \(0\) | \(8\) | \(0\) | \(q+\beta _{1}q^{2}+(-2+\beta _{12}+\beta _{13})q^{4}+(1+\cdots)q^{5}+\cdots\) |
1071.2.n.d | $40$ | $8.552$ | None | \(0\) | \(0\) | \(0\) | \(0\) |
Decomposition of \(S_{2}^{\mathrm{old}}(1071, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(1071, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(51, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(119, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(153, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(357, [\chi])\)\(^{\oplus 2}\)