Properties

Label 384.3.b.b
Level $384$
Weight $3$
Character orbit 384.b
Analytic conductor $10.463$
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] = [384,3,Mod(319,384)] 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("384.319"); S:= CuspForms(chi, 3); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(384, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([1, 1, 0])) N = Newforms(chi, 3, names="a")
 
Level: \( N \) \(=\) \( 384 = 2^{7} \cdot 3 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 384.b (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [4,0,0,0,0,0,0,0,12,0,0,0,0,0,0,0,56] 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: \(10.4632421514\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\zeta_{12})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2^{6}\cdot 3 \)
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 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.

\(f(q)\) \(=\) \( q + \beta_1 q^{3} + \beta_{2} q^{5} - \beta_{3} q^{7} + 3 q^{9} + 4 \beta_1 q^{11} - 2 \beta_{2} q^{13} + \beta_{3} q^{15} + 14 q^{17} + 20 \beta_1 q^{19} - 3 \beta_{2} q^{21} + 2 \beta_{3} q^{23} - 23 q^{25}+ \cdots + 12 \beta_1 q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 12 q^{9} + 56 q^{17} - 92 q^{25} + 48 q^{33} - 56 q^{41} - 380 q^{49} + 240 q^{57} + 384 q^{65} - 200 q^{73} + 36 q^{81} + 248 q^{89} - 584 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( -\zeta_{12}^{3} + 2\zeta_{12} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 8\zeta_{12}^{2} - 4 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 12\zeta_{12}^{3} \) Copy content Toggle raw display
\(\zeta_{12}\)\(=\) \( ( \beta_{3} + 12\beta_1 ) / 24 \) Copy content Toggle raw display
\(\zeta_{12}^{2}\)\(=\) \( ( \beta_{2} + 4 ) / 8 \) Copy content Toggle raw display
\(\zeta_{12}^{3}\)\(=\) \( ( \beta_{3} ) / 12 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/384\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(133\) \(257\)
\(\chi(n)\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
319.1
−0.866025 + 0.500000i
−0.866025 0.500000i
0.866025 0.500000i
0.866025 + 0.500000i
0 −1.73205 0 6.92820i 0 12.0000i 0 3.00000 0
319.2 0 −1.73205 0 6.92820i 0 12.0000i 0 3.00000 0
319.3 0 1.73205 0 6.92820i 0 12.0000i 0 3.00000 0
319.4 0 1.73205 0 6.92820i 0 12.0000i 0 3.00000 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
4.b odd 2 1 inner
8.b even 2 1 inner
8.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 384.3.b.b 4
3.b odd 2 1 1152.3.b.e 4
4.b odd 2 1 inner 384.3.b.b 4
8.b even 2 1 inner 384.3.b.b 4
8.d odd 2 1 inner 384.3.b.b 4
12.b even 2 1 1152.3.b.e 4
16.e even 4 2 768.3.g.e 4
16.f odd 4 2 768.3.g.e 4
24.f even 2 1 1152.3.b.e 4
24.h odd 2 1 1152.3.b.e 4
48.i odd 4 2 2304.3.g.r 4
48.k even 4 2 2304.3.g.r 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
384.3.b.b 4 1.a even 1 1 trivial
384.3.b.b 4 4.b odd 2 1 inner
384.3.b.b 4 8.b even 2 1 inner
384.3.b.b 4 8.d odd 2 1 inner
768.3.g.e 4 16.e even 4 2
768.3.g.e 4 16.f odd 4 2
1152.3.b.e 4 3.b odd 2 1
1152.3.b.e 4 12.b even 2 1
1152.3.b.e 4 24.f even 2 1
1152.3.b.e 4 24.h odd 2 1
2304.3.g.r 4 48.i odd 4 2
2304.3.g.r 4 48.k even 4 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{2} + 48 \) acting on \(S_{3}^{\mathrm{new}}(384, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( (T^{2} - 3)^{2} \) Copy content Toggle raw display
$5$ \( (T^{2} + 48)^{2} \) Copy content Toggle raw display
$7$ \( (T^{2} + 144)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} - 48)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} + 192)^{2} \) Copy content Toggle raw display
$17$ \( (T - 14)^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} - 1200)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} + 576)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} + 1200)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} + 144)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} + 768)^{2} \) Copy content Toggle raw display
$41$ \( (T + 14)^{4} \) Copy content Toggle raw display
$43$ \( (T^{2} - 48)^{2} \) Copy content Toggle raw display
$47$ \( (T^{2} + 5184)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} + 3888)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} - 2352)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} + 3072)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} - 8112)^{2} \) Copy content Toggle raw display
$71$ \( (T^{2} + 576)^{2} \) Copy content Toggle raw display
$73$ \( (T + 50)^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} + 144)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} - 432)^{2} \) Copy content Toggle raw display
$89$ \( (T - 62)^{4} \) Copy content Toggle raw display
$97$ \( (T + 146)^{4} \) Copy content Toggle raw display
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