Defining parameters
Level: | \( N \) | \(=\) | \( 273 = 3 \cdot 7 \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 273.k (of order \(3\) and degree \(2\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 13 \) |
Character field: | \(\Q(\zeta_{3})\) | ||
Newform subspaces: | \( 4 \) | ||
Sturm bound: | \(74\) | ||
Trace bound: | \(3\) | ||
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 | 24 | 60 |
Cusp forms | 68 | 24 | 44 |
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.k.a | $6$ | $2.180$ | \(\Q(\zeta_{18})\) | None | \(0\) | \(-3\) | \(12\) | \(3\) | \(q+(\zeta_{18}-\zeta_{18}^{2}-\zeta_{18}^{4}+\zeta_{18}^{5})q^{2}+\cdots\) |
273.2.k.b | $6$ | $2.180$ | 6.0.6040683.1 | None | \(0\) | \(3\) | \(4\) | \(-3\) | \(q+(\beta _{1}+\beta _{2})q^{2}+(1-\beta _{4})q^{3}+(\beta _{3}-\beta _{4}+\cdots)q^{4}+\cdots\) |
273.2.k.c | $6$ | $2.180$ | 6.0.64827.1 | None | \(2\) | \(-3\) | \(0\) | \(-3\) | \(q+(\beta _{1}+\beta _{4})q^{2}+(-1+\beta _{5})q^{3}+(2\beta _{1}+\cdots)q^{4}+\cdots\) |
273.2.k.d | $6$ | $2.180$ | 6.0.771147.1 | None | \(2\) | \(3\) | \(0\) | \(3\) | \(q+(1+\beta _{1}-\beta _{2}-\beta _{3}+\beta _{5})q^{2}-\beta _{4}q^{3}+\cdots\) |
Decomposition of \(S_{2}^{\mathrm{old}}(273, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(273, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(39, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(91, [\chi])\)\(^{\oplus 2}\)