Defining parameters
Level: | \( N \) | \(=\) | \( 273 = 3 \cdot 7 \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 273.i (of order \(3\) and degree \(2\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 7 \) |
Character field: | \(\Q(\zeta_{3})\) | ||
Newform subspaces: | \( 5 \) | ||
Sturm bound: | \(74\) | ||
Trace bound: | \(2\) | ||
Distinguishing \(T_p\): | \(2\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(273, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 84 | 32 | 52 |
Cusp forms | 68 | 32 | 36 |
Eisenstein series | 16 | 0 | 16 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(273, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
273.2.i.a | $2$ | $2.180$ | \(\Q(\sqrt{-3}) \) | None | \(1\) | \(-1\) | \(-4\) | \(-5\) | \(q+\zeta_{6}q^{2}+(-1+\zeta_{6})q^{3}+(1-\zeta_{6})q^{4}+\cdots\) |
273.2.i.b | $6$ | $2.180$ | \(\Q(\zeta_{18})\) | None | \(0\) | \(3\) | \(-3\) | \(0\) | \(q+(-\zeta_{18}+\zeta_{18}^{2}+\zeta_{18}^{4}-\zeta_{18}^{5})q^{2}+\cdots\) |
273.2.i.c | $6$ | $2.180$ | 6.0.64827.1 | None | \(2\) | \(-3\) | \(3\) | \(0\) | \(q+(\beta _{1}+\beta _{4})q^{2}-\beta _{5}q^{3}+(2\beta _{1}-2\beta _{2}+\cdots)q^{4}+\cdots\) |
273.2.i.d | $8$ | $2.180$ | 8.0.4868829729.1 | None | \(1\) | \(-4\) | \(-3\) | \(9\) | \(q+(-\beta _{1}+\beta _{3}+\beta _{6})q^{2}+\beta _{4}q^{3}+(\beta _{3}+\cdots)q^{4}+\cdots\) |
273.2.i.e | $10$ | $2.180$ | \(\mathbb{Q}[x]/(x^{10} - \cdots)\) | None | \(0\) | \(5\) | \(3\) | \(4\) | \(q+(\beta _{4}-\beta _{8})q^{2}+(1-\beta _{2})q^{3}+(-1-\beta _{1}+\cdots)q^{4}+\cdots\) |
Decomposition of \(S_{2}^{\mathrm{old}}(273, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(273, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(21, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(91, [\chi])\)\(^{\oplus 2}\)