Defining parameters
Level: | \( N \) | \(=\) | \( 42 = 2 \cdot 3 \cdot 7 \) |
Weight: | \( k \) | \(=\) | \( 12 \) |
Character orbit: | \([\chi]\) | \(=\) | 42.e (of order \(3\) and degree \(2\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 7 \) |
Character field: | \(\Q(\zeta_{3})\) | ||
Newform subspaces: | \( 4 \) | ||
Sturm bound: | \(96\) | ||
Trace bound: | \(2\) | ||
Distinguishing \(T_p\): | \(5\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{12}(42, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 184 | 28 | 156 |
Cusp forms | 168 | 28 | 140 |
Eisenstein series | 16 | 0 | 16 |
Trace form
Decomposition of \(S_{12}^{\mathrm{new}}(42, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
42.12.e.a | $6$ | $32.270$ | \(\mathbb{Q}[x]/(x^{6} - \cdots)\) | None | \(-96\) | \(729\) | \(1045\) | \(45731\) | \(q+(-2^{5}-2^{5}\beta _{2})q^{2}-3^{5}\beta _{2}q^{3}+2^{10}\beta _{2}q^{4}+\cdots\) |
42.12.e.b | $6$ | $32.270$ | \(\mathbb{Q}[x]/(x^{6} - \cdots)\) | None | \(96\) | \(-729\) | \(1331\) | \(-83545\) | \(q+(2^{5}+2^{5}\beta _{1})q^{2}+3^{5}\beta _{1}q^{3}+2^{10}\beta _{1}q^{4}+\cdots\) |
42.12.e.c | $8$ | $32.270$ | \(\mathbb{Q}[x]/(x^{8} - \cdots)\) | None | \(-128\) | \(-972\) | \(-11080\) | \(31758\) | \(q-2^{5}\beta _{1}q^{2}+(-3^{5}+3^{5}\beta _{1})q^{3}+(-2^{10}+\cdots)q^{4}+\cdots\) |
42.12.e.d | $8$ | $32.270$ | \(\mathbb{Q}[x]/(x^{8} - \cdots)\) | None | \(128\) | \(972\) | \(-1420\) | \(-66362\) | \(q+2^{5}\beta _{1}q^{2}+(3^{5}-3^{5}\beta _{1})q^{3}+(-2^{10}+\cdots)q^{4}+\cdots\) |
Decomposition of \(S_{12}^{\mathrm{old}}(42, [\chi])\) into lower level spaces
\( S_{12}^{\mathrm{old}}(42, [\chi]) \cong \) \(S_{12}^{\mathrm{new}}(7, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{12}^{\mathrm{new}}(14, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{12}^{\mathrm{new}}(21, [\chi])\)\(^{\oplus 2}\)