Properties

Label 1350.3.g.j
Level $1350$
Weight $3$
Character orbit 1350.g
Analytic conductor $36.785$
Analytic rank $0$
Dimension $4$
Inner twists $4$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [1350,3,Mod(757,1350)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(1350, base_ring=CyclotomicField(4)) chi = DirichletCharacter(H, H._module([0, 1])) N = Newforms(chi, 3, names="a")
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("1350.757"); S:= CuspForms(chi, 3); N := Newforms(S);
 
Level: \( N \) \(=\) \( 1350 = 2 \cdot 3^{3} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1350.g (of order \(4\), degree \(2\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [4,4,0,0,0,0,0,-8,0,0,0,0,0,0,0,-16,24] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(17)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(36.7848356886\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(i)\)
Coefficient field: \(\Q(i, \sqrt{6})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 9 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 3^{2} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-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.

\(f(q)\) \(=\) \( q + (\beta_{2} + 1) q^{2} + 2 \beta_{2} q^{4} + \beta_1 q^{7} + (2 \beta_{2} - 2) q^{8} + \beta_{3} q^{13} + (\beta_{3} + \beta_1) q^{14} - 4 q^{16} + (6 \beta_{2} + 6) q^{17} - 7 \beta_{2} q^{19} + (12 \beta_{2} - 12) q^{23}+ \cdots + ( - 22 \beta_{2} + 22) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 4 q^{2} - 8 q^{8} - 16 q^{16} + 24 q^{17} - 48 q^{23} + 40 q^{31} - 16 q^{32} + 28 q^{38} - 96 q^{46} - 72 q^{47} + 120 q^{53} + 92 q^{61} + 40 q^{62} - 48 q^{68} + 56 q^{76} + 168 q^{83} - 108 q^{91}+ \cdots + 88 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} + 9 \) : Copy content Toggle raw display

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

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1350\mathbb{Z}\right)^\times\).

\(n\) \(1001\) \(1027\)
\(\chi(n)\) \(1\) \(\beta_{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
757.1
−1.22474 1.22474i
1.22474 + 1.22474i
−1.22474 + 1.22474i
1.22474 1.22474i
1.00000 + 1.00000i 0 2.00000i 0 0 −3.67423 3.67423i −2.00000 + 2.00000i 0 0
757.2 1.00000 + 1.00000i 0 2.00000i 0 0 3.67423 + 3.67423i −2.00000 + 2.00000i 0 0
1243.1 1.00000 1.00000i 0 2.00000i 0 0 −3.67423 + 3.67423i −2.00000 2.00000i 0 0
1243.2 1.00000 1.00000i 0 2.00000i 0 0 3.67423 3.67423i −2.00000 2.00000i 0 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.c odd 4 1 inner
15.d odd 2 1 inner
15.e even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1350.3.g.j yes 4
3.b odd 2 1 1350.3.g.c 4
5.b even 2 1 1350.3.g.c 4
5.c odd 4 1 1350.3.g.c 4
5.c odd 4 1 inner 1350.3.g.j yes 4
15.d odd 2 1 inner 1350.3.g.j yes 4
15.e even 4 1 1350.3.g.c 4
15.e even 4 1 inner 1350.3.g.j yes 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1350.3.g.c 4 3.b odd 2 1
1350.3.g.c 4 5.b even 2 1
1350.3.g.c 4 5.c odd 4 1
1350.3.g.c 4 15.e even 4 1
1350.3.g.j yes 4 1.a even 1 1 trivial
1350.3.g.j yes 4 5.c odd 4 1 inner
1350.3.g.j yes 4 15.d odd 2 1 inner
1350.3.g.j yes 4 15.e even 4 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{3}^{\mathrm{new}}(1350, [\chi])\):

\( T_{7}^{4} + 729 \) Copy content Toggle raw display
\( T_{11} \) Copy content Toggle raw display
\( T_{17}^{2} - 12T_{17} + 72 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} - 2 T + 2)^{2} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} + 729 \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( T^{4} + 729 \) Copy content Toggle raw display
$17$ \( (T^{2} - 12 T + 72)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} + 49)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} + 24 T + 288)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 1944)^{2} \) Copy content Toggle raw display
$31$ \( (T - 10)^{4} \) Copy content Toggle raw display
$37$ \( T^{4} + 1750329 \) Copy content Toggle raw display
$41$ \( (T^{2} - 1944)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} + 2985984 \) Copy content Toggle raw display
$47$ \( (T^{2} + 36 T + 648)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} - 60 T + 1800)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} + 1944)^{2} \) Copy content Toggle raw display
$61$ \( (T - 23)^{4} \) Copy content Toggle raw display
$67$ \( T^{4} + 4782969 \) Copy content Toggle raw display
$71$ \( (T^{2} - 17496)^{2} \) Copy content Toggle raw display
$73$ \( T^{4} + 4782969 \) Copy content Toggle raw display
$79$ \( (T^{2} + 10609)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} - 84 T + 3528)^{2} \) Copy content Toggle raw display
$89$ \( (T^{2} + 1944)^{2} \) Copy content Toggle raw display
$97$ \( T^{4} + 284765625 \) Copy content Toggle raw display
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