Defining parameters
Level: | \( N \) | \(=\) | \( 2500 = 2^{2} \cdot 5^{4} \) |
Weight: | \( k \) | \(=\) | \( 1 \) |
Character orbit: | \([\chi]\) | \(=\) | 2500.j (of order \(10\) and degree \(4\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 100 \) |
Character field: | \(\Q(\zeta_{10})\) | ||
Newform subspaces: | \( 4 \) | ||
Sturm bound: | \(375\) | ||
Trace bound: | \(6\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{1}(2500, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 164 | 72 | 92 |
Cusp forms | 44 | 24 | 20 |
Eisenstein series | 120 | 48 | 72 |
The following table gives the dimensions of subspaces with specified projective image type.
\(D_n\) | \(A_4\) | \(S_4\) | \(A_5\) | |
---|---|---|---|---|
Dimension | 24 | 0 | 0 | 0 |
Trace form
Decomposition of \(S_{1}^{\mathrm{new}}(2500, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | Image | CM | RM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||||
2500.1.j.a | $4$ | $1.248$ | \(\Q(\zeta_{10})\) | $D_{5}$ | \(\Q(\sqrt{-1}) \) | None | \(-1\) | \(0\) | \(0\) | \(0\) | \(q-\zeta_{10}^{3}q^{2}-\zeta_{10}q^{4}+\zeta_{10}^{4}q^{8}+\zeta_{10}^{2}q^{9}+\cdots\) |
2500.1.j.b | $4$ | $1.248$ | \(\Q(\zeta_{10})\) | $D_{5}$ | \(\Q(\sqrt{-1}) \) | None | \(1\) | \(0\) | \(0\) | \(0\) | \(q+\zeta_{10}^{3}q^{2}-\zeta_{10}q^{4}-\zeta_{10}^{4}q^{8}+\zeta_{10}^{2}q^{9}+\cdots\) |
2500.1.j.c | $8$ | $1.248$ | \(\Q(\zeta_{20})\) | $D_{5}$ | \(\Q(\sqrt{-5}) \) | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q-\zeta_{20}q^{2}+(\zeta_{20}-\zeta_{20}^{3})q^{3}+\zeta_{20}^{2}q^{4}+\cdots\) |
2500.1.j.d | $8$ | $1.248$ | \(\Q(\zeta_{20})\) | $D_{5}$ | \(\Q(\sqrt{-5}) \) | None | \(0\) | \(0\) | \(0\) | \(0\) | \(q-\zeta_{20}q^{2}+(\zeta_{20}^{5}+\zeta_{20}^{9})q^{3}+\zeta_{20}^{2}q^{4}+\cdots\) |
Decomposition of \(S_{1}^{\mathrm{old}}(2500, [\chi])\) into lower level spaces
\( S_{1}^{\mathrm{old}}(2500, [\chi]) \cong \) \(S_{1}^{\mathrm{new}}(100, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(500, [\chi])\)\(^{\oplus 2}\)