Defining parameters
Level: | \( N \) | \(=\) | \( 800 = 2^{5} \cdot 5^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 800.y (of order \(8\) and degree \(4\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 32 \) |
Character field: | \(\Q(\zeta_{8})\) | ||
Newform subspaces: | \( 6 \) | ||
Sturm bound: | \(240\) | ||
Trace bound: | \(18\) | ||
Distinguishing \(T_p\): | \(3\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(800, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 504 | 316 | 188 |
Cusp forms | 456 | 292 | 164 |
Eisenstein series | 48 | 24 | 24 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(800, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
800.2.y.a | $4$ | $6.388$ | \(\Q(\zeta_{8})\) | None | \(0\) | \(0\) | \(0\) | \(-4\) | \(q+(\zeta_{8}+\zeta_{8}^{3})q^{2}+(-\zeta_{8}-\zeta_{8}^{2})q^{3}+\cdots\) |
800.2.y.b | $8$ | $6.388$ | 8.0.18939904.2 | None | \(4\) | \(4\) | \(0\) | \(8\) | \(q+\beta _{2}q^{2}+(-\beta _{1}-\beta _{3}-\beta _{5}-\beta _{7})q^{3}+\cdots\) |
800.2.y.c | $64$ | $6.388$ | None | \(0\) | \(0\) | \(0\) | \(0\) | ||
800.2.y.d | $64$ | $6.388$ | None | \(0\) | \(0\) | \(0\) | \(0\) | ||
800.2.y.e | $64$ | $6.388$ | None | \(0\) | \(0\) | \(0\) | \(0\) | ||
800.2.y.f | $88$ | $6.388$ | None | \(0\) | \(0\) | \(0\) | \(0\) |
Decomposition of \(S_{2}^{\mathrm{old}}(800, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(800, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(32, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(160, [\chi])\)\(^{\oplus 2}\)