Defining parameters
Level: | \( N \) | \(=\) | \( 845 = 5 \cdot 13^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 845.bg (of order \(78\) and degree \(24\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 169 \) |
Character field: | \(\Q(\zeta_{78})\) | ||
Newform subspaces: | \( 1 \) | ||
Sturm bound: | \(182\) | ||
Trace bound: | \(0\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(845, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 2256 | 1440 | 816 |
Cusp forms | 2160 | 1440 | 720 |
Eisenstein series | 96 | 0 | 96 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(845, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
845.2.bg.a | $1440$ | $6.747$ | None | \(0\) | \(-2\) | \(0\) | \(6\) |
Decomposition of \(S_{2}^{\mathrm{old}}(845, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(845, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(169, [\chi])\)\(^{\oplus 2}\)