Properties

Label 143.3.d.a
Level $143$
Weight $3$
Character orbit 143.d
Self dual yes
Analytic conductor $3.896$
Analytic rank $0$
Dimension $5$
CM discriminant -143
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [143,3,Mod(142,143)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(143, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1]))
 
N = Newforms(chi, 3, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("143.142");
 
S:= CuspForms(chi, 3);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 143 = 11 \cdot 13 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 143.d (of order \(2\), degree \(1\), minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(3.89646778035\)
Analytic rank: \(0\)
Dimension: \(5\)
Coefficient field: 5.5.63903125.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{5} - 15x^{3} + 45x - 20 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2,\beta_3,\beta_4\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{3} q^{2} + \beta_{2} q^{3} + ( - \beta_{4} - \beta_1 + 4) q^{4} + (\beta_{4} - 3 \beta_1 - 1) q^{6} + ( - 2 \beta_{4} + \beta_1) q^{7} + (\beta_{4} - 4 \beta_{3} + 4 \beta_1) q^{8} + (2 \beta_{4} + 3 \beta_1 + 9) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{3} q^{2} + \beta_{2} q^{3} + ( - \beta_{4} - \beta_1 + 4) q^{4} + (\beta_{4} - 3 \beta_1 - 1) q^{6} + ( - 2 \beta_{4} + \beta_1) q^{7} + (\beta_{4} - 4 \beta_{3} + 4 \beta_1) q^{8} + (2 \beta_{4} + 3 \beta_1 + 9) q^{9} + 11 q^{11} + (3 \beta_{4} + \beta_{3} - 4 \beta_1) q^{12} - 13 q^{13} + ( - \beta_{4} - 5 \beta_{3} + \cdots + 8 \beta_1) q^{14}+ \cdots + (22 \beta_{4} + 33 \beta_1 + 99) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 5 q + 20 q^{4} - 5 q^{6} + 45 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 5 q + 20 q^{4} - 5 q^{6} + 45 q^{9} + 55 q^{11} - 65 q^{13} + 80 q^{16} - 20 q^{24} + 125 q^{25} + 215 q^{28} - 265 q^{32} - 175 q^{36} - 335 q^{38} - 295 q^{42} + 220 q^{44} - 235 q^{48} + 245 q^{49} - 260 q^{52} - 45 q^{54} - 155 q^{56} + 310 q^{57} - 410 q^{63} + 320 q^{64} - 55 q^{66} + 655 q^{72} + 65 q^{78} + 405 q^{81} - 785 q^{84} + 205 q^{92} - 80 q^{96} + 395 q^{98} + 495 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{5} - 15x^{3} + 45x - 20 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - 6 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{3} - \nu^{2} - 9\nu + 6 ) / 2 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{4} - 12\nu^{2} - 3\nu + 18 ) / 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + 6 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 2\beta_{3} + \beta_{2} + 9\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 2\beta_{4} + 12\beta_{2} + 3\beta _1 + 54 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/143\mathbb{Z}\right)^\times\).

\(n\) \(67\) \(79\)
\(\chi(n)\) \(-1\) \(-1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
142.1
−2.40553
3.41127
0.480958
−3.11402
1.62732
−3.97171 −0.213425 11.7745 0 0.847661 8.33233 −30.8779 −8.95445 0
142.2 −1.67899 5.63678 −1.18099 0 −9.46410 −0.128156 8.69883 22.7732 0
142.3 −0.775658 −5.76868 −3.39835 0 4.47452 −13.3538 5.73859 24.2777 0
142.4 2.93403 3.69714 4.60855 0 10.8475 −8.12497 1.78551 4.66887 0
142.5 3.49232 −3.35182 8.19633 0 −11.7056 13.2746 14.6549 2.23467 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 142.5
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
143.d odd 2 1 CM by \(\Q(\sqrt{-143}) \)

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 143.3.d.a 5
11.b odd 2 1 143.3.d.b yes 5
13.b even 2 1 143.3.d.b yes 5
143.d odd 2 1 CM 143.3.d.a 5
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
143.3.d.a 5 1.a even 1 1 trivial
143.3.d.a 5 143.d odd 2 1 CM
143.3.d.b yes 5 11.b odd 2 1
143.3.d.b yes 5 13.b even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{5} - 20T_{2}^{3} + 80T_{2} + 53 \) acting on \(S_{3}^{\mathrm{new}}(143, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{5} - 20 T^{3} + \cdots + 53 \) Copy content Toggle raw display
$3$ \( T^{5} - 45 T^{3} + \cdots + 86 \) Copy content Toggle raw display
$5$ \( T^{5} \) Copy content Toggle raw display
$7$ \( T^{5} - 245 T^{3} + \cdots + 1538 \) Copy content Toggle raw display
$11$ \( (T - 11)^{5} \) Copy content Toggle raw display
$13$ \( (T + 13)^{5} \) Copy content Toggle raw display
$17$ \( T^{5} \) Copy content Toggle raw display
$19$ \( T^{5} - 1805 T^{3} + \cdots + 4932794 \) Copy content Toggle raw display
$23$ \( T^{5} - 2645 T^{3} + \cdots - 9481298 \) Copy content Toggle raw display
$29$ \( T^{5} \) Copy content Toggle raw display
$31$ \( T^{5} \) Copy content Toggle raw display
$37$ \( T^{5} \) Copy content Toggle raw display
$41$ \( T^{5} - 8405 T^{3} + \cdots + 231619298 \) Copy content Toggle raw display
$43$ \( T^{5} \) Copy content Toggle raw display
$47$ \( T^{5} \) Copy content Toggle raw display
$53$ \( T^{5} - 14045 T^{3} + \cdots + 218470822 \) Copy content Toggle raw display
$59$ \( T^{5} \) Copy content Toggle raw display
$61$ \( T^{5} \) Copy content Toggle raw display
$67$ \( T^{5} \) Copy content Toggle raw display
$71$ \( T^{5} \) Copy content Toggle raw display
$73$ \( T^{5} + \cdots + 3615121442 \) Copy content Toggle raw display
$79$ \( T^{5} \) Copy content Toggle raw display
$83$ \( T^{5} + \cdots + 7348587002 \) Copy content Toggle raw display
$89$ \( T^{5} \) Copy content Toggle raw display
$97$ \( T^{5} \) Copy content Toggle raw display
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