Defining parameters
Level: | \( N \) | \(=\) | \( 671 = 11 \cdot 61 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 671.j (of order \(5\) and degree \(4\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 11 \) |
Character field: | \(\Q(\zeta_{5})\) | ||
Newform subspaces: | \( 3 \) | ||
Sturm bound: | \(124\) | ||
Trace bound: | \(1\) | ||
Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(671, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 256 | 240 | 16 |
Cusp forms | 240 | 240 | 0 |
Eisenstein series | 16 | 0 | 16 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(671, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
671.2.j.a | $4$ | $5.358$ | \(\Q(\zeta_{10})\) | None | \(2\) | \(6\) | \(-1\) | \(-3\) | \(q+(2-2\zeta_{10}+2\zeta_{10}^{2}-2\zeta_{10}^{3})q^{2}+\cdots\) |
671.2.j.b | $108$ | $5.358$ | None | \(-3\) | \(5\) | \(7\) | \(-6\) | ||
671.2.j.c | $128$ | $5.358$ | None | \(-5\) | \(-17\) | \(-8\) | \(-3\) |