Defining parameters
Level: | \( N \) | \(=\) | \( 15 = 3 \cdot 5 \) |
Weight: | \( k \) | \(=\) | \( 5 \) |
Character orbit: | \([\chi]\) | \(=\) | 15.c (of order \(2\) and degree \(1\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 3 \) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 1 \) | ||
Sturm bound: | \(10\) | ||
Trace bound: | \(0\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{5}(15, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 10 | 6 | 4 |
Cusp forms | 6 | 6 | 0 |
Eisenstein series | 4 | 0 | 4 |
Trace form
Decomposition of \(S_{5}^{\mathrm{new}}(15, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
15.5.c.a | $6$ | $1.551$ | \(\mathbb{Q}[x]/(x^{6} + \cdots)\) | None | \(0\) | \(8\) | \(0\) | \(76\) | \(q+\beta _{1}q^{2}+(1-\beta _{2})q^{3}+(-8+\beta _{2}+\beta _{4}+\cdots)q^{4}+\cdots\) |