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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [567,2,Mod(215,567)] 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("567.215"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(567, base_ring=CyclotomicField(6)) chi = DirichletCharacter(H, H._module([5, 5])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 567 = 3^{4} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 567.i (of order \(6\), degree \(2\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [4,0,0,-12,0,0,10] 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: \(4.52751779461\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\sqrt{-3}, \sqrt{-5})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - 5x^{2} + 25 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 189)
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{3} q^{2} - 3 q^{4} + (\beta_{2} + 2) q^{7} - \beta_{3} q^{8} + 2 \beta_1 q^{11} + ( - \beta_{2} - 1) q^{13} + (3 \beta_{3} - \beta_1) q^{14} - q^{16} + (2 \beta_{3} + 2 \beta_1) q^{17} + ( - 2 \beta_{2} - 2) q^{19}+ \cdots + (8 \beta_{3} - 5 \beta_1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 12 q^{4} + 10 q^{7} - 6 q^{13} - 4 q^{16} - 12 q^{19} - 20 q^{22} + 10 q^{25} - 30 q^{28} - 60 q^{34} - 10 q^{37} + 14 q^{43} - 20 q^{46} + 22 q^{49} + 18 q^{52} - 20 q^{58} + 52 q^{64} - 4 q^{67}+ \cdots - 6 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - 5x^{2} + 25 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{2} ) / 5 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{3} ) / 5 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( 5\beta_{2} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 5\beta_{3} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/567\mathbb{Z}\right)^\times\).

\(n\) \(325\) \(407\)
\(\chi(n)\) \(1 - \beta_{2}\) \(1 - \beta_{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
215.1
−1.93649 1.11803i
1.93649 + 1.11803i
1.93649 1.11803i
−1.93649 + 1.11803i
2.23607i 0 −3.00000 0 0 2.50000 + 0.866025i 2.23607i 0 0
215.2 2.23607i 0 −3.00000 0 0 2.50000 + 0.866025i 2.23607i 0 0
269.1 2.23607i 0 −3.00000 0 0 2.50000 0.866025i 2.23607i 0 0
269.2 2.23607i 0 −3.00000 0 0 2.50000 0.866025i 2.23607i 0 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
63.i even 6 1 inner
63.t odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 567.2.i.c 4
3.b odd 2 1 inner 567.2.i.c 4
7.d odd 6 1 567.2.s.e 4
9.c even 3 1 189.2.p.c 4
9.c even 3 1 567.2.s.e 4
9.d odd 6 1 189.2.p.c 4
9.d odd 6 1 567.2.s.e 4
21.g even 6 1 567.2.s.e 4
63.h even 3 1 1323.2.c.b 4
63.i even 6 1 inner 567.2.i.c 4
63.i even 6 1 1323.2.c.b 4
63.j odd 6 1 1323.2.c.b 4
63.k odd 6 1 189.2.p.c 4
63.s even 6 1 189.2.p.c 4
63.t odd 6 1 inner 567.2.i.c 4
63.t odd 6 1 1323.2.c.b 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
189.2.p.c 4 9.c even 3 1
189.2.p.c 4 9.d odd 6 1
189.2.p.c 4 63.k odd 6 1
189.2.p.c 4 63.s even 6 1
567.2.i.c 4 1.a even 1 1 trivial
567.2.i.c 4 3.b odd 2 1 inner
567.2.i.c 4 63.i even 6 1 inner
567.2.i.c 4 63.t odd 6 1 inner
567.2.s.e 4 7.d odd 6 1
567.2.s.e 4 9.c even 3 1
567.2.s.e 4 9.d odd 6 1
567.2.s.e 4 21.g even 6 1
1323.2.c.b 4 63.h even 3 1
1323.2.c.b 4 63.i even 6 1
1323.2.c.b 4 63.j odd 6 1
1323.2.c.b 4 63.t odd 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(567, [\chi])\):

\( T_{2}^{2} + 5 \) Copy content Toggle raw display
\( T_{11}^{4} - 20T_{11}^{2} + 400 \) Copy content Toggle raw display
\( T_{13}^{2} + 3T_{13} + 3 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} + 5)^{2} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( (T^{2} - 5 T + 7)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} - 20T^{2} + 400 \) Copy content Toggle raw display
$13$ \( (T^{2} + 3 T + 3)^{2} \) Copy content Toggle raw display
$17$ \( T^{4} + 60T^{2} + 3600 \) Copy content Toggle raw display
$19$ \( (T^{2} + 6 T + 12)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} - 20T^{2} + 400 \) Copy content Toggle raw display
$29$ \( T^{4} - 20T^{2} + 400 \) Copy content Toggle raw display
$31$ \( (T^{2} + 3)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} + 5 T + 25)^{2} \) Copy content Toggle raw display
$41$ \( T^{4} + 60T^{2} + 3600 \) Copy content Toggle raw display
$43$ \( (T^{2} - 7 T + 49)^{2} \) Copy content Toggle raw display
$47$ \( (T^{2} - 60)^{2} \) Copy content Toggle raw display
$53$ \( T^{4} - 20T^{2} + 400 \) Copy content Toggle raw display
$59$ \( (T^{2} - 60)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + 75)^{2} \) Copy content Toggle raw display
$67$ \( (T + 1)^{4} \) Copy content Toggle raw display
$71$ \( (T^{2} + 80)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} - 12 T + 48)^{2} \) Copy content Toggle raw display
$79$ \( (T - 11)^{4} \) Copy content Toggle raw display
$83$ \( T^{4} + 60T^{2} + 3600 \) Copy content Toggle raw display
$89$ \( T^{4} + 240 T^{2} + 57600 \) Copy content Toggle raw display
$97$ \( (T^{2} + 3 T + 3)^{2} \) Copy content Toggle raw display
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