Defining parameters
Level: | \( N \) | \(=\) | \( 48 = 2^{4} \cdot 3 \) |
Weight: | \( k \) | \(=\) | \( 11 \) |
Character orbit: | \([\chi]\) | \(=\) | 48.g (of order \(2\) and degree \(1\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 4 \) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 3 \) | ||
Sturm bound: | \(88\) | ||
Trace bound: | \(5\) | ||
Distinguishing \(T_p\): | \(5\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{11}(48, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 86 | 10 | 76 |
Cusp forms | 74 | 10 | 64 |
Eisenstein series | 12 | 0 | 12 |
Trace form
Decomposition of \(S_{11}^{\mathrm{new}}(48, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
48.11.g.a | $2$ | $30.497$ | \(\Q(\sqrt{-3}) \) | None | \(0\) | \(0\) | \(-4788\) | \(0\) | \(q+3^{4}\zeta_{6}q^{3}-2394q^{5}-3836\zeta_{6}q^{7}+\cdots\) |
48.11.g.b | $4$ | $30.497$ | \(\mathbb{Q}[x]/(x^{4} - \cdots)\) | None | \(0\) | \(0\) | \(-7560\) | \(0\) | \(q+\beta _{1}q^{3}+(-1890-\beta _{2})q^{5}+(2^{6}\beta _{1}+\cdots)q^{7}+\cdots\) |
48.11.g.c | $4$ | $30.497$ | \(\Q(\sqrt{-3}, \sqrt{2545})\) | None | \(0\) | \(0\) | \(3000\) | \(0\) | \(q+3^{4}\beta _{1}q^{3}+(750-\beta _{2})q^{5}+(428\beta _{1}+\cdots)q^{7}+\cdots\) |
Decomposition of \(S_{11}^{\mathrm{old}}(48, [\chi])\) into lower level spaces
\( S_{11}^{\mathrm{old}}(48, [\chi]) \cong \) \(S_{11}^{\mathrm{new}}(4, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{11}^{\mathrm{new}}(8, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{11}^{\mathrm{new}}(12, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{11}^{\mathrm{new}}(16, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{11}^{\mathrm{new}}(24, [\chi])\)\(^{\oplus 2}\)