Newspace parameters
Level: | \( N \) | \(=\) | \( 81 = 3^{4} \) |
Weight: | \( k \) | \(=\) | \( 10 \) |
Character orbit: | \([\chi]\) | \(=\) | 81.c (of order \(3\), degree \(2\), not minimal) |
Newform invariants
Self dual: | no |
Analytic conductor: | \(41.7179027293\) |
Analytic rank: | \(0\) |
Dimension: | \(2\) |
Coefficient field: | \(\Q(\sqrt{-3}) \) |
comment: defining polynomial
gp: f.mod \\ as an extension of the character field
|
|
Defining polynomial: | \( x^{2} - x + 1 \) |
Coefficient ring: | \(\Z[a_1, \ldots, a_{25}]\) |
Coefficient ring index: | \( 1 \) |
Twist minimal: | no (minimal twist has level 9) |
Sato-Tate group: | $\mathrm{U}(1)[D_{3}]$ |
$q$-expansion
Coefficients of the \(q\)-expansion are expressed in terms of a primitive root of unity \(\zeta_{6}\). We also show the integral \(q\)-expansion of the trace form.
Character values
We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/81\mathbb{Z}\right)^\times\).
\(n\) | \(2\) |
\(\chi(n)\) | \(-\zeta_{6}\) |
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 | \(\iota_m(\nu)\) | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
28.1 |
|
0 | 0 | 256.000 | − | 443.405i | 0 | 0 | 6290.00 | + | 10894.6i | 0 | 0 | 0 | ||||||||||||||||||||
55.1 | 0 | 0 | 256.000 | + | 443.405i | 0 | 0 | 6290.00 | − | 10894.6i | 0 | 0 | 0 | |||||||||||||||||||||
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
3.b | odd | 2 | 1 | CM by \(\Q(\sqrt{-3}) \) |
9.c | even | 3 | 1 | inner |
9.d | odd | 6 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 81.10.c.c | 2 | |
3.b | odd | 2 | 1 | CM | 81.10.c.c | 2 | |
9.c | even | 3 | 1 | 9.10.a.b | ✓ | 1 | |
9.c | even | 3 | 1 | inner | 81.10.c.c | 2 | |
9.d | odd | 6 | 1 | 9.10.a.b | ✓ | 1 | |
9.d | odd | 6 | 1 | inner | 81.10.c.c | 2 | |
36.f | odd | 6 | 1 | 144.10.a.h | 1 | ||
36.h | even | 6 | 1 | 144.10.a.h | 1 | ||
45.h | odd | 6 | 1 | 225.10.a.d | 1 | ||
45.j | even | 6 | 1 | 225.10.a.d | 1 | ||
45.k | odd | 12 | 2 | 225.10.b.f | 2 | ||
45.l | even | 12 | 2 | 225.10.b.f | 2 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
9.10.a.b | ✓ | 1 | 9.c | even | 3 | 1 | |
9.10.a.b | ✓ | 1 | 9.d | odd | 6 | 1 | |
81.10.c.c | 2 | 1.a | even | 1 | 1 | trivial | |
81.10.c.c | 2 | 3.b | odd | 2 | 1 | CM | |
81.10.c.c | 2 | 9.c | even | 3 | 1 | inner | |
81.10.c.c | 2 | 9.d | odd | 6 | 1 | inner | |
144.10.a.h | 1 | 36.f | odd | 6 | 1 | ||
144.10.a.h | 1 | 36.h | even | 6 | 1 | ||
225.10.a.d | 1 | 45.h | odd | 6 | 1 | ||
225.10.a.d | 1 | 45.j | even | 6 | 1 | ||
225.10.b.f | 2 | 45.k | odd | 12 | 2 | ||
225.10.b.f | 2 | 45.l | even | 12 | 2 |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator
\( T_{2} \)
acting on \(S_{10}^{\mathrm{new}}(81, [\chi])\).
Hecke characteristic polynomials
$p$
$F_p(T)$
$2$
\( T^{2} \)
$3$
\( T^{2} \)
$5$
\( T^{2} \)
$7$
\( T^{2} - 12580 T + 158256400 \)
$11$
\( T^{2} \)
$13$
\( T^{2} + 118370 T + 14011456900 \)
$17$
\( T^{2} \)
$19$
\( (T + 976696)^{2} \)
$23$
\( T^{2} \)
$29$
\( T^{2} \)
$31$
\( T^{2} + 1691228 T + 2860252147984 \)
$37$
\( (T + 15384490)^{2} \)
$41$
\( T^{2} \)
$43$
\( T^{2} + \cdots + 274799581326400 \)
$47$
\( T^{2} \)
$53$
\( T^{2} \)
$59$
\( T^{2} \)
$61$
\( T^{2} - 117903058 T + 13\!\cdots\!64 \)
$67$
\( T^{2} + 112542320 T + 12\!\cdots\!00 \)
$71$
\( T^{2} \)
$73$
\( (T - 296368310)^{2} \)
$79$
\( T^{2} - 616732324 T + 38\!\cdots\!76 \)
$83$
\( T^{2} \)
$89$
\( T^{2} \)
$97$
\( T^{2} + 1288928270 T + 16\!\cdots\!00 \)
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