Defining parameters
Level: | \( N \) | \(=\) | \( 154 = 2 \cdot 7 \cdot 11 \) |
Weight: | \( k \) | \(=\) | \( 4 \) |
Character orbit: | \([\chi]\) | \(=\) | 154.n (of order \(30\) and degree \(8\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 77 \) |
Character field: | \(\Q(\zeta_{30})\) | ||
Newform subspaces: | \( 1 \) | ||
Sturm bound: | \(96\) | ||
Trace bound: | \(0\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{4}(154, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 608 | 192 | 416 |
Cusp forms | 544 | 192 | 352 |
Eisenstein series | 64 | 0 | 64 |
Trace form
Decomposition of \(S_{4}^{\mathrm{new}}(154, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
154.4.n.a | $192$ | $9.086$ | None | \(0\) | \(0\) | \(-48\) | \(-20\) |
Decomposition of \(S_{4}^{\mathrm{old}}(154, [\chi])\) into lower level spaces
\( S_{4}^{\mathrm{old}}(154, [\chi]) \cong \) \(S_{4}^{\mathrm{new}}(77, [\chi])\)\(^{\oplus 2}\)