Defining parameters
Level: | \( N \) | \(=\) | \( 154 = 2 \cdot 7 \cdot 11 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 154.f (of order \(5\) and degree \(4\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 11 \) |
Character field: | \(\Q(\zeta_{5})\) | ||
Newform subspaces: | \( 5 \) | ||
Sturm bound: | \(48\) | ||
Trace bound: | \(3\) | ||
Distinguishing \(T_p\): | \(3\), \(5\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(154, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 112 | 24 | 88 |
Cusp forms | 80 | 24 | 56 |
Eisenstein series | 32 | 0 | 32 |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(154, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||
154.2.f.a | $4$ | $1.230$ | \(\Q(\zeta_{10})\) | None | \(-1\) | \(1\) | \(-1\) | \(-1\) | \(q+(-1+\zeta_{10}-\zeta_{10}^{2}+\zeta_{10}^{3})q^{2}+\cdots\) |
154.2.f.b | $4$ | $1.230$ | \(\Q(\zeta_{10})\) | None | \(-1\) | \(5\) | \(3\) | \(1\) | \(q+(-1+\zeta_{10}-\zeta_{10}^{2}+\zeta_{10}^{3})q^{2}+\cdots\) |
154.2.f.c | $4$ | $1.230$ | \(\Q(\zeta_{10})\) | None | \(1\) | \(-2\) | \(-2\) | \(1\) | \(q+(1-\zeta_{10}+\zeta_{10}^{2}-\zeta_{10}^{3})q^{2}+(-\zeta_{10}+\cdots)q^{3}+\cdots\) |
154.2.f.d | $4$ | $1.230$ | \(\Q(\zeta_{10})\) | None | \(1\) | \(5\) | \(-1\) | \(1\) | \(q+(1-\zeta_{10}+\zeta_{10}^{2}-\zeta_{10}^{3})q^{2}+(2\zeta_{10}+\cdots)q^{3}+\cdots\) |
154.2.f.e | $8$ | $1.230$ | 8.0.58140625.2 | None | \(2\) | \(-1\) | \(5\) | \(-2\) | \(q+(1-\beta _{2}+\beta _{3}-\beta _{4})q^{2}+(1-2\beta _{1}+\cdots)q^{3}+\cdots\) |
Decomposition of \(S_{2}^{\mathrm{old}}(154, [\chi])\) into lower level spaces
\( S_{2}^{\mathrm{old}}(154, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(22, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(77, [\chi])\)\(^{\oplus 2}\)