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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [1860,2,Mod(1141,1860)] 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("1860.1141"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(1860, base_ring=CyclotomicField(6)) chi = DirichletCharacter(H, H._module([0, 0, 0, 2])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 1860 = 2^{2} \cdot 3 \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1860.q (of order \(3\), degree \(2\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,0,-3,0,-3,0,0] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(7)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(14.8521747760\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{3})\)
Coefficient field: 6.0.2958147.4
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} + 11x^{4} + 34x^{2} + 27 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 3 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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 a basis \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{3} q^{3} + ( - \beta_{3} - 1) q^{5} + (\beta_{5} - \beta_{2} + \beta_1) q^{7} + ( - \beta_{3} - 1) q^{9} + (\beta_{3} + 2 \beta_{2} + 1) q^{11} + ( - \beta_{4} - 2 \beta_{3} - 2) q^{13} + q^{15}+ \cdots + ( - \beta_{3} - 2 \beta_{2} + 2 \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 3 q^{3} - 3 q^{5} - 3 q^{9} + 5 q^{11} - 7 q^{13} + 6 q^{15} - 11 q^{17} - q^{19} + 2 q^{23} - 3 q^{25} + 6 q^{27} + 42 q^{29} + 10 q^{31} - 10 q^{33} + 18 q^{37} + 14 q^{39} - 8 q^{41} - 6 q^{43}+ \cdots + 5 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} + 11x^{4} + 34x^{2} + 27 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu^{2} + 4 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{5} + 11\nu^{3} + 3\nu^{2} + 25\nu + 12 ) / 6 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{5} + 8\nu^{3} + 13\nu - 3 ) / 6 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{4} + \nu^{3} + 8\nu^{2} + 7\nu + 12 ) / 2 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{4} + \nu^{3} - 8\nu^{2} + 7\nu - 12 ) / 2 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{5} + \beta_{4} + 2\beta_{3} - 2\beta_{2} + \beta _1 + 1 ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta _1 - 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -4\beta_{5} - 4\beta_{4} - 14\beta_{3} + 14\beta_{2} - 7\beta _1 - 7 ) / 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -\beta_{5} + \beta_{4} - 8\beta _1 + 20 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 19\beta_{5} + 19\beta_{4} + 104\beta_{3} - 86\beta_{2} + 43\beta _1 + 52 ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1860\mathbb{Z}\right)^\times\).

\(n\) \(931\) \(1117\) \(1241\) \(1801\)
\(\chi(n)\) \(1\) \(1\) \(1\) \(-1 - \beta_{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1141.1
2.50068i
1.10753i
1.87616i
2.50068i
1.10753i
1.87616i
0 −0.500000 0.866025i 0 −0.500000 + 0.866025i 0 −1.66566 2.88500i 0 −0.500000 + 0.866025i 0
1141.2 0 −0.500000 0.866025i 0 −0.500000 + 0.866025i 0 −0.459145 0.795263i 0 −0.500000 + 0.866025i 0
1141.3 0 −0.500000 0.866025i 0 −0.500000 + 0.866025i 0 2.12480 + 3.68026i 0 −0.500000 + 0.866025i 0
1741.1 0 −0.500000 + 0.866025i 0 −0.500000 0.866025i 0 −1.66566 + 2.88500i 0 −0.500000 0.866025i 0
1741.2 0 −0.500000 + 0.866025i 0 −0.500000 0.866025i 0 −0.459145 + 0.795263i 0 −0.500000 0.866025i 0
1741.3 0 −0.500000 + 0.866025i 0 −0.500000 0.866025i 0 2.12480 3.68026i 0 −0.500000 0.866025i 0
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 1141.3
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
31.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1860.2.q.f 6
31.c even 3 1 inner 1860.2.q.f 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1860.2.q.f 6 1.a even 1 1 trivial
1860.2.q.f 6 31.c even 3 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1860, [\chi])\):

\( T_{7}^{6} + 15T_{7}^{4} + 26T_{7}^{3} + 225T_{7}^{2} + 195T_{7} + 169 \) Copy content Toggle raw display
\( T_{11}^{6} - 5T_{11}^{5} + 42T_{11}^{4} - 5T_{11}^{3} + 514T_{11}^{2} - 765T_{11} + 2025 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( (T^{2} + T + 1)^{3} \) Copy content Toggle raw display
$5$ \( (T^{2} + T + 1)^{3} \) Copy content Toggle raw display
$7$ \( T^{6} + 15 T^{4} + \cdots + 169 \) Copy content Toggle raw display
$11$ \( T^{6} - 5 T^{5} + \cdots + 2025 \) Copy content Toggle raw display
$13$ \( T^{6} + 7 T^{5} + \cdots + 961 \) Copy content Toggle raw display
$17$ \( T^{6} + 11 T^{5} + \cdots + 729 \) Copy content Toggle raw display
$19$ \( T^{6} + T^{5} + \cdots + 2401 \) Copy content Toggle raw display
$23$ \( (T^{3} - T^{2} - 26 T + 51)^{2} \) Copy content Toggle raw display
$29$ \( (T^{3} - 21 T^{2} + \cdots - 225)^{2} \) Copy content Toggle raw display
$31$ \( T^{6} - 10 T^{5} + \cdots + 29791 \) Copy content Toggle raw display
$37$ \( T^{6} - 18 T^{5} + \cdots + 19321 \) Copy content Toggle raw display
$41$ \( T^{6} + 8 T^{5} + \cdots + 360000 \) Copy content Toggle raw display
$43$ \( T^{6} + 6 T^{5} + \cdots + 3721 \) Copy content Toggle raw display
$47$ \( (T^{3} + 5 T^{2} - 20 T - 3)^{2} \) Copy content Toggle raw display
$53$ \( T^{6} - 3 T^{5} + \cdots + 35721 \) Copy content Toggle raw display
$59$ \( T^{6} + 9 T^{5} + \cdots + 342225 \) Copy content Toggle raw display
$61$ \( (T^{3} - 5 T^{2} + \cdots + 303)^{2} \) Copy content Toggle raw display
$67$ \( T^{6} + 18 T^{5} + \cdots + 52441 \) Copy content Toggle raw display
$71$ \( T^{6} + 7 T^{5} + \cdots + 826281 \) Copy content Toggle raw display
$73$ \( (T^{2} - 7 T + 49)^{3} \) Copy content Toggle raw display
$79$ \( T^{6} + 5 T^{5} + \cdots + 47961 \) Copy content Toggle raw display
$83$ \( T^{6} + 3 T^{5} + \cdots + 164025 \) Copy content Toggle raw display
$89$ \( (T^{3} - 3 T^{2} + \cdots + 189)^{2} \) Copy content Toggle raw display
$97$ \( (T^{3} - 9 T^{2} + \cdots + 457)^{2} \) Copy content Toggle raw display
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