Defining parameters
Level: | \( N \) | \(=\) | \( 1400 = 2^{3} \cdot 5^{2} \cdot 7 \) |
Weight: | \( k \) | \(=\) | \( 1 \) |
Character orbit: | \([\chi]\) | \(=\) | 1400.bs (of order \(10\) and degree \(4\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 1400 \) |
Character field: | \(\Q(\zeta_{10})\) | ||
Newform subspaces: | \( 3 \) | ||
Sturm bound: | \(240\) | ||
Trace bound: | \(3\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{1}(1400, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 32 | 32 | 0 |
Cusp forms | 16 | 16 | 0 |
Eisenstein series | 16 | 16 | 0 |
The following table gives the dimensions of subspaces with specified projective image type.
\(D_n\) | \(A_4\) | \(S_4\) | \(A_5\) | |
---|---|---|---|---|
Dimension | 16 | 0 | 0 | 0 |
Trace form
Decomposition of \(S_{1}^{\mathrm{new}}(1400, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | Image | CM | RM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||||
1400.1.bs.a | $4$ | $0.699$ | \(\Q(\zeta_{10})\) | $D_{5}$ | \(\Q(\sqrt{-14}) \) | None | \(-1\) | \(-3\) | \(1\) | \(4\) | \(q+\zeta_{10}^{4}q^{2}+(-1+\zeta_{10})q^{3}-\zeta_{10}^{3}q^{4}+\cdots\) |
1400.1.bs.b | $4$ | $0.699$ | \(\Q(\zeta_{10})\) | $D_{5}$ | \(\Q(\sqrt{-14}) \) | None | \(-1\) | \(3\) | \(-1\) | \(4\) | \(q+\zeta_{10}^{4}q^{2}+(1-\zeta_{10})q^{3}-\zeta_{10}^{3}q^{4}+\cdots\) |
1400.1.bs.c | $8$ | $0.699$ | \(\Q(\zeta_{20})\) | $D_{10}$ | \(\Q(\sqrt{-14}) \) | None | \(2\) | \(0\) | \(0\) | \(-8\) | \(q-\zeta_{20}^{8}q^{2}+(\zeta_{20}^{5}+\zeta_{20}^{7})q^{3}-\zeta_{20}^{6}q^{4}+\cdots\) |