Defining parameters
Level: | \( N \) | \(=\) | \( 1254 = 2 \cdot 3 \cdot 11 \cdot 19 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 1254.d (of order \(2\) and degree \(1\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 57 \) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 2 \) | ||
Sturm bound: | \(480\) | ||
Trace bound: | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(1254, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 248 | 64 | 184 |
Cusp forms | 232 | 64 | 168 |
Eisenstein series | 16 | 0 | 16 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(1254, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
1254.2.d.a | $32$ | $10.013$ | None | \(-32\) | \(0\) | \(0\) | \(12\) | ||
1254.2.d.b | $32$ | $10.013$ | None | \(32\) | \(0\) | \(0\) | \(12\) |
Decomposition of \(S_{2}^{\mathrm{old}}(1254, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(1254, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(57, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(114, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(627, [\chi])\)\(^{\oplus 2}\)