Properties

Label 546.4.l.a
Level $546$
Weight $4$
Character orbit 546.l
Analytic conductor $32.215$
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] = [546,4,Mod(211,546)] 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("546.211"); S:= CuspForms(chi, 4); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(546, base_ring=CyclotomicField(6)) chi = DirichletCharacter(H, H._module([0, 0, 2])) N = Newforms(chi, 4, names="a")
 
Level: \( N \) \(=\) \( 546 = 2 \cdot 3 \cdot 7 \cdot 13 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 546.l (of order \(3\), degree \(2\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [2,-2,-3,-4,14] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(5)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(32.2150428631\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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 primitive root of unity \(\zeta_{6}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (2 \zeta_{6} - 2) q^{2} + (3 \zeta_{6} - 3) q^{3} - 4 \zeta_{6} q^{4} + 7 q^{5} - 6 \zeta_{6} q^{6} + 7 \zeta_{6} q^{7} + 8 q^{8} - 9 \zeta_{6} q^{9} + (14 \zeta_{6} - 14) q^{10} + ( - 16 \zeta_{6} + 16) q^{11} + \cdots - 144 q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - 2 q^{2} - 3 q^{3} - 4 q^{4} + 14 q^{5} - 6 q^{6} + 7 q^{7} + 16 q^{8} - 9 q^{9} - 14 q^{10} + 16 q^{11} + 24 q^{12} + 91 q^{13} - 28 q^{14} - 21 q^{15} - 16 q^{16} + 33 q^{17} + 36 q^{18} - 144 q^{19}+ \cdots - 288 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/546\mathbb{Z}\right)^\times\).

\(n\) \(157\) \(365\) \(379\)
\(\chi(n)\) \(1\) \(1\) \(-\zeta_{6}\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
211.1
0.500000 0.866025i
0.500000 + 0.866025i
−1.00000 1.73205i −1.50000 2.59808i −2.00000 + 3.46410i 7.00000 −3.00000 + 5.19615i 3.50000 6.06218i 8.00000 −4.50000 + 7.79423i −7.00000 12.1244i
295.1 −1.00000 + 1.73205i −1.50000 + 2.59808i −2.00000 3.46410i 7.00000 −3.00000 5.19615i 3.50000 + 6.06218i 8.00000 −4.50000 7.79423i −7.00000 + 12.1244i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

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

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 546.4.l.a 2
13.c even 3 1 inner 546.4.l.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
546.4.l.a 2 1.a even 1 1 trivial
546.4.l.a 2 13.c even 3 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5} - 7 \) acting on \(S_{4}^{\mathrm{new}}(546, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} + 2T + 4 \) Copy content Toggle raw display
$3$ \( T^{2} + 3T + 9 \) Copy content Toggle raw display
$5$ \( (T - 7)^{2} \) Copy content Toggle raw display
$7$ \( T^{2} - 7T + 49 \) Copy content Toggle raw display
$11$ \( T^{2} - 16T + 256 \) Copy content Toggle raw display
$13$ \( T^{2} - 91T + 2197 \) Copy content Toggle raw display
$17$ \( T^{2} - 33T + 1089 \) Copy content Toggle raw display
$19$ \( T^{2} + 144T + 20736 \) Copy content Toggle raw display
$23$ \( T^{2} - 44T + 1936 \) Copy content Toggle raw display
$29$ \( T^{2} - 185T + 34225 \) Copy content Toggle raw display
$31$ \( (T - 184)^{2} \) Copy content Toggle raw display
$37$ \( T^{2} - 225T + 50625 \) Copy content Toggle raw display
$41$ \( T^{2} - 165T + 27225 \) Copy content Toggle raw display
$43$ \( T^{2} - 20T + 400 \) Copy content Toggle raw display
$47$ \( (T + 88)^{2} \) Copy content Toggle raw display
$53$ \( (T - 111)^{2} \) Copy content Toggle raw display
$59$ \( T^{2} + 220T + 48400 \) Copy content Toggle raw display
$61$ \( T^{2} - 269T + 72361 \) Copy content Toggle raw display
$67$ \( T^{2} + 700T + 490000 \) Copy content Toggle raw display
$71$ \( T^{2} + 1016 T + 1032256 \) Copy content Toggle raw display
$73$ \( (T - 947)^{2} \) Copy content Toggle raw display
$79$ \( (T - 1244)^{2} \) Copy content Toggle raw display
$83$ \( (T - 1140)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} + 858T + 736164 \) Copy content Toggle raw display
$97$ \( T^{2} - 862T + 743044 \) Copy content Toggle raw display
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