Properties

Label 35.3.d.a
Level $35$
Weight $3$
Character orbit 35.d
Analytic conductor $0.954$
Analytic rank $0$
Dimension $2$
Inner twists $2$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [35,3,Mod(6,35)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("35.6"); S:= CuspForms(chi, 3); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(35, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 1])) N = Newforms(chi, 3, names="a")
 
Level: \( N \) \(=\) \( 35 = 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 35.d (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [2,-2] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(2)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(0.953680925261\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-5}) \)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} + 5 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

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

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = \sqrt{-5}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - q^{2} + 2 \beta q^{3} - 3 q^{4} + \beta q^{5} - 2 \beta q^{6} + 7 q^{7} + 7 q^{8} - 11 q^{9} - \beta q^{10} + 2 q^{11} - 6 \beta q^{12} - 6 \beta q^{13} - 7 q^{14} - 10 q^{15} + 5 q^{16} + 12 \beta q^{17} + \cdots - 22 q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{2} - 6 q^{4} + 14 q^{7} + 14 q^{8} - 22 q^{9} + 4 q^{11} - 14 q^{14} - 20 q^{15} + 10 q^{16} + 22 q^{18} - 4 q^{22} + 52 q^{23} - 10 q^{25} - 42 q^{28} - 44 q^{29} + 20 q^{30} - 66 q^{32} + 66 q^{36}+ \cdots - 44 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/35\mathbb{Z}\right)^\times\).

\(n\) \(22\) \(31\)
\(\chi(n)\) \(1\) \(-1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
6.1
2.23607i
2.23607i
−1.00000 4.47214i −3.00000 2.23607i 4.47214i 7.00000 7.00000 −11.0000 2.23607i
6.2 −1.00000 4.47214i −3.00000 2.23607i 4.47214i 7.00000 7.00000 −11.0000 2.23607i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 35.3.d.a 2
3.b odd 2 1 315.3.h.b 2
4.b odd 2 1 560.3.f.a 2
5.b even 2 1 175.3.d.f 2
5.c odd 4 2 175.3.c.d 4
7.b odd 2 1 inner 35.3.d.a 2
7.c even 3 2 245.3.h.b 4
7.d odd 6 2 245.3.h.b 4
21.c even 2 1 315.3.h.b 2
28.d even 2 1 560.3.f.a 2
35.c odd 2 1 175.3.d.f 2
35.f even 4 2 175.3.c.d 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
35.3.d.a 2 1.a even 1 1 trivial
35.3.d.a 2 7.b odd 2 1 inner
175.3.c.d 4 5.c odd 4 2
175.3.c.d 4 35.f even 4 2
175.3.d.f 2 5.b even 2 1
175.3.d.f 2 35.c odd 2 1
245.3.h.b 4 7.c even 3 2
245.3.h.b 4 7.d odd 6 2
315.3.h.b 2 3.b odd 2 1
315.3.h.b 2 21.c even 2 1
560.3.f.a 2 4.b odd 2 1
560.3.f.a 2 28.d even 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2} + 1 \) acting on \(S_{3}^{\mathrm{new}}(35, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T + 1)^{2} \) Copy content Toggle raw display
$3$ \( T^{2} + 20 \) Copy content Toggle raw display
$5$ \( T^{2} + 5 \) Copy content Toggle raw display
$7$ \( (T - 7)^{2} \) Copy content Toggle raw display
$11$ \( (T - 2)^{2} \) Copy content Toggle raw display
$13$ \( T^{2} + 180 \) Copy content Toggle raw display
$17$ \( T^{2} + 720 \) Copy content Toggle raw display
$19$ \( T^{2} + 180 \) Copy content Toggle raw display
$23$ \( (T - 26)^{2} \) Copy content Toggle raw display
$29$ \( (T + 22)^{2} \) Copy content Toggle raw display
$31$ \( T^{2} + 2880 \) Copy content Toggle raw display
$37$ \( (T - 14)^{2} \) Copy content Toggle raw display
$41$ \( T^{2} + 720 \) Copy content Toggle raw display
$43$ \( (T + 34)^{2} \) Copy content Toggle raw display
$47$ \( T^{2} + 720 \) Copy content Toggle raw display
$53$ \( (T + 34)^{2} \) Copy content Toggle raw display
$59$ \( T^{2} + 1620 \) Copy content Toggle raw display
$61$ \( T^{2} + 8820 \) Copy content Toggle raw display
$67$ \( (T - 14)^{2} \) Copy content Toggle raw display
$71$ \( (T - 62)^{2} \) Copy content Toggle raw display
$73$ \( T^{2} + 2880 \) Copy content Toggle raw display
$79$ \( (T - 38)^{2} \) Copy content Toggle raw display
$83$ \( T^{2} + 1620 \) Copy content Toggle raw display
$89$ \( T^{2} + 720 \) Copy content Toggle raw display
$97$ \( T^{2} + 720 \) Copy content Toggle raw display
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