Defining parameters
Level: | \( N \) | \(=\) | \( 280 = 2^{3} \cdot 5 \cdot 7 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 280.s (of order \(4\) and degree \(2\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 280 \) |
Character field: | \(\Q(i)\) | ||
Newform subspaces: | \( 3 \) | ||
Sturm bound: | \(96\) | ||
Trace bound: | \(2\) | ||
Distinguishing \(T_p\): | \(3\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(280, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 104 | 104 | 0 |
Cusp forms | 88 | 88 | 0 |
Eisenstein series | 16 | 16 | 0 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(280, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
280.2.s.a | $8$ | $2.236$ | 8.0.\(\cdots\).8 | \(\Q(\sqrt{-14}) \) | \(-8\) | \(0\) | \(0\) | \(0\) | \(q+(-1-\beta _{3})q^{2}+(-\beta _{1}-\beta _{4})q^{3}+2\beta _{3}q^{4}+\cdots\) |
280.2.s.b | $8$ | $2.236$ | 8.0.\(\cdots\).8 | \(\Q(\sqrt{-14}) \) | \(8\) | \(0\) | \(0\) | \(0\) | \(q+(1+\beta _{4})q^{2}+\beta _{1}q^{3}+2\beta _{4}q^{4}-\beta _{5}q^{5}+\cdots\) |
280.2.s.c | $72$ | $2.236$ | None | \(-4\) | \(0\) | \(0\) | \(-4\) |