Defining parameters
Level: | \( N \) | \(=\) | \( 468 = 2^{2} \cdot 3^{2} \cdot 13 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 468.t (of order \(6\) and degree \(2\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 13 \) |
Character field: | \(\Q(\zeta_{6})\) | ||
Newform subspaces: | \( 4 \) | ||
Sturm bound: | \(168\) | ||
Trace bound: | \(7\) | ||
Distinguishing \(T_p\): | \(5\), \(7\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(468, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 192 | 10 | 182 |
Cusp forms | 144 | 10 | 134 |
Eisenstein series | 48 | 0 | 48 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(468, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
468.2.t.a | $2$ | $3.737$ | \(\Q(\sqrt{-3}) \) | None | \(0\) | \(0\) | \(0\) | \(-3\) | \(q+(-2+\zeta_{6})q^{7}+(3+3\zeta_{6})q^{11}+(-3+\cdots)q^{13}+\cdots\) |
468.2.t.b | $2$ | $3.737$ | \(\Q(\sqrt{-3}) \) | \(\Q(\sqrt{-3}) \) | \(0\) | \(0\) | \(0\) | \(3\) | \(q+(2-\zeta_{6})q^{7}+(4-\zeta_{6})q^{13}+(4-2\zeta_{6})q^{19}+\cdots\) |
468.2.t.c | $2$ | $3.737$ | \(\Q(\sqrt{-3}) \) | None | \(0\) | \(0\) | \(0\) | \(6\) | \(q+(1-2\zeta_{6})q^{5}+(4-2\zeta_{6})q^{7}+(-2+\cdots)q^{11}+\cdots\) |
468.2.t.d | $4$ | $3.737$ | \(\Q(\sqrt{-3}, \sqrt{-43})\) | None | \(0\) | \(0\) | \(0\) | \(-3\) | \(q+(\beta _{1}-\beta _{2}-\beta _{3})q^{5}+(-\beta _{1}-\beta _{2})q^{7}+\cdots\) |
Decomposition of \(S_{2}^{\mathrm{old}}(468, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(468, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(13, [\chi])\)\(^{\oplus 9}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(26, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(39, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(52, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(78, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(117, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(156, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(234, [\chi])\)\(^{\oplus 2}\)