Properties

Label 3008.1.g.a
Level $3008$
Weight $1$
Character orbit 3008.g
Self dual yes
Analytic conductor $1.501$
Analytic rank $0$
Dimension $2$
Projective image $D_{5}$
CM discriminant -47
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3008,1,Mod(1409,3008)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3008, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3008.1409");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3008 = 2^{6} \cdot 47 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3008.g (of order \(2\), degree \(1\), not minimal)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(1.50118755800\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{5}) \)
comment: defining polynomial
 
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: no (minimal twist has level 47)
Projective image: \(D_{5}\)
Projective field: Galois closure of 5.1.2209.1
Artin image: $D_{10}$
Artin field: Galois closure of 10.0.159897387008.4

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = \frac{1}{2}(1 + \sqrt{5})\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta q^{3} + ( - \beta + 1) q^{7} + \beta q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \beta q^{3} + ( - \beta + 1) q^{7} + \beta q^{9} - \beta q^{17} + q^{21} + q^{25} - q^{27} + \beta q^{37} - q^{47} + ( - \beta + 1) q^{49} + (\beta + 1) q^{51} + ( - \beta + 1) q^{53} + (\beta - 1) q^{59} + ( - \beta + 1) q^{61} - q^{63} + \beta q^{71} - \beta q^{75} + \beta q^{79} + 2 q^{83} + (\beta - 1) q^{89} + (\beta - 1) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - q^{3} + q^{7} + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - q^{3} + q^{7} + q^{9} - q^{17} + 2 q^{21} + 2 q^{25} - 2 q^{27} + q^{37} - 2 q^{47} + q^{49} + 3 q^{51} + q^{53} - q^{59} + q^{61} - 2 q^{63} + q^{71} - q^{75} + q^{79} + 4 q^{83} - q^{89} - q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3008\mathbb{Z}\right)^\times\).

\(n\) \(193\) \(1599\) \(2821\)
\(\chi(n)\) \(-1\) \(1\) \(1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1409.1
1.61803
−0.618034
0 −1.61803 0 0 0 −0.618034 0 1.61803 0
1409.2 0 0.618034 0 0 0 1.61803 0 −0.618034 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
47.b odd 2 1 CM by \(\Q(\sqrt{-47}) \)

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3008.1.g.a 2
4.b odd 2 1 3008.1.g.b 2
8.b even 2 1 752.1.g.a 2
8.d odd 2 1 47.1.b.a 2
24.f even 2 1 423.1.d.a 2
40.e odd 2 1 1175.1.d.c 2
40.k even 4 2 1175.1.b.b 4
47.b odd 2 1 CM 3008.1.g.a 2
56.e even 2 1 2303.1.d.c 2
56.k odd 6 2 2303.1.f.c 4
56.m even 6 2 2303.1.f.b 4
72.l even 6 2 3807.1.f.a 4
72.p odd 6 2 3807.1.f.b 4
188.b even 2 1 3008.1.g.b 2
376.e odd 2 1 752.1.g.a 2
376.h even 2 1 47.1.b.a 2
376.j even 46 22 2209.1.d.a 44
376.l odd 46 22 2209.1.d.a 44
1128.d odd 2 1 423.1.d.a 2
1880.f even 2 1 1175.1.d.c 2
1880.q odd 4 2 1175.1.b.b 4
2632.b odd 2 1 2303.1.d.c 2
2632.s even 6 2 2303.1.f.c 4
2632.bf odd 6 2 2303.1.f.b 4
3384.u even 6 2 3807.1.f.b 4
3384.bd odd 6 2 3807.1.f.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
47.1.b.a 2 8.d odd 2 1
47.1.b.a 2 376.h even 2 1
423.1.d.a 2 24.f even 2 1
423.1.d.a 2 1128.d odd 2 1
752.1.g.a 2 8.b even 2 1
752.1.g.a 2 376.e odd 2 1
1175.1.b.b 4 40.k even 4 2
1175.1.b.b 4 1880.q odd 4 2
1175.1.d.c 2 40.e odd 2 1
1175.1.d.c 2 1880.f even 2 1
2209.1.d.a 44 376.j even 46 22
2209.1.d.a 44 376.l odd 46 22
2303.1.d.c 2 56.e even 2 1
2303.1.d.c 2 2632.b odd 2 1
2303.1.f.b 4 56.m even 6 2
2303.1.f.b 4 2632.bf odd 6 2
2303.1.f.c 4 56.k odd 6 2
2303.1.f.c 4 2632.s even 6 2
3008.1.g.a 2 1.a even 1 1 trivial
3008.1.g.a 2 47.b odd 2 1 CM
3008.1.g.b 2 4.b odd 2 1
3008.1.g.b 2 188.b even 2 1
3807.1.f.a 4 72.l even 6 2
3807.1.f.a 4 3384.bd odd 6 2
3807.1.f.b 4 72.p odd 6 2
3807.1.f.b 4 3384.u even 6 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{2} + T_{3} - 1 \) acting on \(S_{1}^{\mathrm{new}}(3008, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \) Copy content Toggle raw display
$3$ \( T^{2} + T - 1 \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} - T - 1 \) Copy content Toggle raw display
$11$ \( T^{2} \) Copy content Toggle raw display
$13$ \( T^{2} \) Copy content Toggle raw display
$17$ \( T^{2} + T - 1 \) Copy content Toggle raw display
$19$ \( T^{2} \) Copy content Toggle raw display
$23$ \( T^{2} \) Copy content Toggle raw display
$29$ \( T^{2} \) Copy content Toggle raw display
$31$ \( T^{2} \) Copy content Toggle raw display
$37$ \( T^{2} - T - 1 \) Copy content Toggle raw display
$41$ \( T^{2} \) Copy content Toggle raw display
$43$ \( T^{2} \) Copy content Toggle raw display
$47$ \( (T + 1)^{2} \) Copy content Toggle raw display
$53$ \( T^{2} - T - 1 \) Copy content Toggle raw display
$59$ \( T^{2} + T - 1 \) Copy content Toggle raw display
$61$ \( T^{2} - T - 1 \) Copy content Toggle raw display
$67$ \( T^{2} \) Copy content Toggle raw display
$71$ \( T^{2} - T - 1 \) Copy content Toggle raw display
$73$ \( T^{2} \) Copy content Toggle raw display
$79$ \( T^{2} - T - 1 \) Copy content Toggle raw display
$83$ \( (T - 2)^{2} \) Copy content Toggle raw display
$89$ \( T^{2} + T - 1 \) Copy content Toggle raw display
$97$ \( T^{2} + T - 1 \) Copy content Toggle raw display
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