Newspace parameters
| Level: | \( N \) | \(=\) | \( 1950 = 2 \cdot 3 \cdot 5^{2} \cdot 13 \) |
| Weight: | \( k \) | \(=\) | \( 2 \) |
| Character orbit: | \([\chi]\) | \(=\) | 1950.b (of order \(2\), degree \(1\), minimal) |
Newform invariants
| Self dual: | no |
| Analytic conductor: | \(15.5708283941\) |
| Analytic rank: | \(0\) |
| Dimension: | \(4\) |
| Coefficient field: | \(\Q(i, \sqrt{17})\) |
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|
|
| Defining polynomial: |
\( x^{4} + 9x^{2} + 16 \)
|
| Coefficient ring: | \(\Z[a_1, \ldots, a_{7}]\) |
| Coefficient ring index: | \( 1 \) |
| Twist minimal: | yes |
| Sato-Tate group: | $\mathrm{SU}(2)[C_{2}]$ |
$q$-expansion
Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.
Basis of coefficient ring in terms of a root \(\nu\) of
\( x^{4} + 9x^{2} + 16 \)
:
| \(\beta_{1}\) | \(=\) |
\( \nu \)
|
| \(\beta_{2}\) | \(=\) |
\( ( \nu^{3} + 5\nu ) / 4 \)
|
| \(\beta_{3}\) | \(=\) |
\( \nu^{2} + 5 \)
|
| \(\nu\) | \(=\) |
\( \beta_1 \)
|
| \(\nu^{2}\) | \(=\) |
\( \beta_{3} - 5 \)
|
| \(\nu^{3}\) | \(=\) |
\( 4\beta_{2} - 5\beta_1 \)
|
Character values
We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1950\mathbb{Z}\right)^\times\).
| \(n\) | \(301\) | \(1301\) | \(1327\) |
| \(\chi(n)\) | \(-1\) | \(1\) | \(1\) |
Embeddings
For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.
For more information on an embedded modular form you can click on its label.
| Label | \(\iota_m(\nu)\) | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1351.1 |
|
− | 1.00000i | −1.00000 | −1.00000 | 0 | 1.00000i | − | 4.56155i | 1.00000i | 1.00000 | 0 | ||||||||||||||||||||||||||||
| 1351.2 | − | 1.00000i | −1.00000 | −1.00000 | 0 | 1.00000i | − | 0.438447i | 1.00000i | 1.00000 | 0 | |||||||||||||||||||||||||||||
| 1351.3 | 1.00000i | −1.00000 | −1.00000 | 0 | − | 1.00000i | 0.438447i | − | 1.00000i | 1.00000 | 0 | |||||||||||||||||||||||||||||
| 1351.4 | 1.00000i | −1.00000 | −1.00000 | 0 | − | 1.00000i | 4.56155i | − | 1.00000i | 1.00000 | 0 | |||||||||||||||||||||||||||||
Inner twists
| Char | Parity | Ord | Mult | Type |
|---|---|---|---|---|
| 1.a | even | 1 | 1 | trivial |
| 13.b | even | 2 | 1 | inner |
Twists
| By twisting character orbit | |||||||
|---|---|---|---|---|---|---|---|
| Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
| 1.a | even | 1 | 1 | trivial | 1950.2.b.i | ✓ | 4 |
| 5.b | even | 2 | 1 | 1950.2.b.j | yes | 4 | |
| 5.c | odd | 4 | 1 | 1950.2.f.k | 4 | ||
| 5.c | odd | 4 | 1 | 1950.2.f.p | 4 | ||
| 13.b | even | 2 | 1 | inner | 1950.2.b.i | ✓ | 4 |
| 65.d | even | 2 | 1 | 1950.2.b.j | yes | 4 | |
| 65.h | odd | 4 | 1 | 1950.2.f.k | 4 | ||
| 65.h | odd | 4 | 1 | 1950.2.f.p | 4 | ||
| By twisted newform orbit | |||||||
|---|---|---|---|---|---|---|---|
| Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
| 1950.2.b.i | ✓ | 4 | 1.a | even | 1 | 1 | trivial |
| 1950.2.b.i | ✓ | 4 | 13.b | even | 2 | 1 | inner |
| 1950.2.b.j | yes | 4 | 5.b | even | 2 | 1 | |
| 1950.2.b.j | yes | 4 | 65.d | even | 2 | 1 | |
| 1950.2.f.k | 4 | 5.c | odd | 4 | 1 | ||
| 1950.2.f.k | 4 | 65.h | odd | 4 | 1 | ||
| 1950.2.f.p | 4 | 5.c | odd | 4 | 1 | ||
| 1950.2.f.p | 4 | 65.h | odd | 4 | 1 | ||
Hecke kernels
This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1950, [\chi])\):
|
\( T_{7}^{4} + 21T_{7}^{2} + 4 \)
|
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\( T_{11}^{4} + 9T_{11}^{2} + 16 \)
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\( T_{17}^{2} + T_{17} - 38 \)
|
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\( T_{19}^{4} + 81T_{19}^{2} + 1296 \)
|
Hecke characteristic polynomials
| $p$ | $F_p(T)$ |
|---|---|
| $2$ |
\( (T^{2} + 1)^{2} \)
|
| $3$ |
\( (T + 1)^{4} \)
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| $5$ |
\( T^{4} \)
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| $7$ |
\( T^{4} + 21T^{2} + 4 \)
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| $11$ |
\( T^{4} + 9T^{2} + 16 \)
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| $13$ |
\( T^{4} - 6 T^{3} + \cdots + 169 \)
|
| $17$ |
\( (T^{2} + T - 38)^{2} \)
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| $19$ |
\( T^{4} + 81T^{2} + 1296 \)
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| $23$ |
\( (T^{2} - 2 T - 16)^{2} \)
|
| $29$ |
\( (T + 1)^{4} \)
|
| $31$ |
\( T^{4} + 33T^{2} + 64 \)
|
| $37$ |
\( T^{4} + 21T^{2} + 4 \)
|
| $41$ |
\( T^{4} + 21T^{2} + 4 \)
|
| $43$ |
\( (T^{2} + 14 T + 32)^{2} \)
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| $47$ |
\( T^{4} + 66T^{2} + 1 \)
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| $53$ |
\( (T + 5)^{4} \)
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| $59$ |
\( T^{4} + 121T^{2} + 2704 \)
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| $61$ |
\( (T^{2} - 11 T - 8)^{2} \)
|
| $67$ |
\( (T^{2} + 17)^{2} \)
|
| $71$ |
\( T^{4} + 417 T^{2} + 43264 \)
|
| $73$ |
\( T^{4} + 52T^{2} + 64 \)
|
| $79$ |
\( (T^{2} + 17 T + 34)^{2} \)
|
| $83$ |
\( T^{4} + 417 T^{2} + 43264 \)
|
| $89$ |
\( T^{4} + 36T^{2} + 256 \)
|
| $97$ |
\( T^{4} + 196T^{2} + 4096 \)
|
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