Properties

Label 588.2.e.b
Level $588$
Weight $2$
Character orbit 588.e
Analytic conductor $4.695$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [588,2,Mod(491,588)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(588, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("588.491");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 588 = 2^{2} \cdot 3 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 588.e (of order \(2\), degree \(1\), 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: no
Analytic conductor: \(4.69520363885\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: 8.0.3317760000.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - 8x^{6} + 13x^{4} + 12x^{2} + 36 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 3 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 a basis \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{6} q^{2} - \beta_{2} q^{3} + ( - \beta_{3} - 1) q^{4} + (\beta_{7} - \beta_{4} - \beta_{2}) q^{5} + (\beta_{4} - \beta_1) q^{6} + (\beta_{6} - 2 \beta_{5}) q^{8} + (\beta_{6} + \beta_{5} + 2) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{6} q^{2} - \beta_{2} q^{3} + ( - \beta_{3} - 1) q^{4} + (\beta_{7} - \beta_{4} - \beta_{2}) q^{5} + (\beta_{4} - \beta_1) q^{6} + (\beta_{6} - 2 \beta_{5}) q^{8} + (\beta_{6} + \beta_{5} + 2) q^{9} + (\beta_{7} + \beta_{2} + 2 \beta_1) q^{10} + (2 \beta_{6} - 2 \beta_{5}) q^{11} + (\beta_{7} - \beta_{4} - \beta_{2} - \beta_1) q^{12} + ( - \beta_{7} + \beta_{4} + \cdots - 4 \beta_1) q^{13}+ \cdots + (4 \beta_{6} - 4 \beta_{5} - 4 \beta_{3} - 2) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 4 q^{4} + 16 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 4 q^{4} + 16 q^{9} - 28 q^{16} + 20 q^{18} - 24 q^{22} - 8 q^{25} + 12 q^{30} - 8 q^{36} - 16 q^{37} + 24 q^{57} + 40 q^{58} - 60 q^{60} + 44 q^{64} + 20 q^{72} + 60 q^{78} - 8 q^{81} - 96 q^{85} + 72 q^{88} - 48 q^{93}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{8} - 8x^{6} + 13x^{4} + 12x^{2} + 36 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -\nu^{7} + 14\nu^{5} - 49\nu^{3} - 6\nu ) / 48 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{4} - 4\nu^{2} - 3 ) / 3 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( \nu^{7} - 6\nu^{5} + 17\nu^{3} - 18\nu ) / 24 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -\nu^{6} + 6\nu^{4} - 17\nu^{2} + 18 ) / 24 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -\nu^{6} + 6\nu^{4} - 5\nu^{2} - 6 ) / 12 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( -3\nu^{7} + 26\nu^{5} - 35\nu^{3} - 114\nu ) / 48 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{6} - 2\beta_{5} + 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{7} + \beta_{4} - \beta_{2} + 3\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 4\beta_{6} - 8\beta_{5} + 3\beta_{3} + 11 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 4\beta_{7} + 7\beta_{4} + 2\beta_{2} + 15\beta_1 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( 7\beta_{6} - 38\beta_{5} + 18\beta_{3} + 50 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( 7\beta_{7} + 49\beta_{4} + 29\beta_{2} + 57\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/588\mathbb{Z}\right)^\times\).

\(n\) \(197\) \(295\) \(493\)
\(\chi(n)\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
491.1
−2.15988 + 0.258819i
2.15988 0.258819i
−2.15988 0.258819i
2.15988 + 0.258819i
0.578737 0.965926i
−0.578737 + 0.965926i
0.578737 + 0.965926i
−0.578737 0.965926i
−0.866025 1.11803i −1.58114 0.707107i −0.500000 + 1.93649i 2.44949i 0.578737 + 2.38014i 0 2.59808 1.11803i 2.00000 + 2.23607i −2.73861 + 2.12132i
491.2 −0.866025 1.11803i 1.58114 + 0.707107i −0.500000 + 1.93649i 2.44949i −0.578737 2.38014i 0 2.59808 1.11803i 2.00000 + 2.23607i 2.73861 2.12132i
491.3 −0.866025 + 1.11803i −1.58114 + 0.707107i −0.500000 1.93649i 2.44949i 0.578737 2.38014i 0 2.59808 + 1.11803i 2.00000 2.23607i −2.73861 2.12132i
491.4 −0.866025 + 1.11803i 1.58114 0.707107i −0.500000 1.93649i 2.44949i −0.578737 + 2.38014i 0 2.59808 + 1.11803i 2.00000 2.23607i 2.73861 + 2.12132i
491.5 0.866025 1.11803i −1.58114 0.707107i −0.500000 1.93649i 2.44949i −2.15988 + 1.15539i 0 −2.59808 1.11803i 2.00000 + 2.23607i 2.73861 + 2.12132i
491.6 0.866025 1.11803i 1.58114 + 0.707107i −0.500000 1.93649i 2.44949i 2.15988 1.15539i 0 −2.59808 1.11803i 2.00000 + 2.23607i −2.73861 2.12132i
491.7 0.866025 + 1.11803i −1.58114 + 0.707107i −0.500000 + 1.93649i 2.44949i −2.15988 1.15539i 0 −2.59808 + 1.11803i 2.00000 2.23607i 2.73861 2.12132i
491.8 0.866025 + 1.11803i 1.58114 0.707107i −0.500000 + 1.93649i 2.44949i 2.15988 + 1.15539i 0 −2.59808 + 1.11803i 2.00000 2.23607i −2.73861 + 2.12132i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 491.8
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 inner
4.b odd 2 1 inner
7.b odd 2 1 inner
12.b even 2 1 inner
21.c even 2 1 inner
28.d even 2 1 inner
84.h odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 588.2.e.b 8
3.b odd 2 1 inner 588.2.e.b 8
4.b odd 2 1 inner 588.2.e.b 8
7.b odd 2 1 inner 588.2.e.b 8
7.c even 3 2 588.2.n.c 16
7.d odd 6 2 588.2.n.c 16
12.b even 2 1 inner 588.2.e.b 8
21.c even 2 1 inner 588.2.e.b 8
21.g even 6 2 588.2.n.c 16
21.h odd 6 2 588.2.n.c 16
28.d even 2 1 inner 588.2.e.b 8
28.f even 6 2 588.2.n.c 16
28.g odd 6 2 588.2.n.c 16
84.h odd 2 1 inner 588.2.e.b 8
84.j odd 6 2 588.2.n.c 16
84.n even 6 2 588.2.n.c 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
588.2.e.b 8 1.a even 1 1 trivial
588.2.e.b 8 3.b odd 2 1 inner
588.2.e.b 8 4.b odd 2 1 inner
588.2.e.b 8 7.b odd 2 1 inner
588.2.e.b 8 12.b even 2 1 inner
588.2.e.b 8 21.c even 2 1 inner
588.2.e.b 8 28.d even 2 1 inner
588.2.e.b 8 84.h odd 2 1 inner
588.2.n.c 16 7.c even 3 2
588.2.n.c 16 7.d odd 6 2
588.2.n.c 16 21.g even 6 2
588.2.n.c 16 21.h odd 6 2
588.2.n.c 16 28.f even 6 2
588.2.n.c 16 28.g odd 6 2
588.2.n.c 16 84.j odd 6 2
588.2.n.c 16 84.n even 6 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(588, [\chi])\):

\( T_{5}^{2} + 6 \) Copy content Toggle raw display
\( T_{11}^{2} - 12 \) Copy content Toggle raw display
\( T_{13}^{2} - 30 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{4} + T^{2} + 4)^{2} \) Copy content Toggle raw display
$3$ \( (T^{4} - 4 T^{2} + 9)^{2} \) Copy content Toggle raw display
$5$ \( (T^{2} + 6)^{4} \) Copy content Toggle raw display
$7$ \( T^{8} \) Copy content Toggle raw display
$11$ \( (T^{2} - 12)^{4} \) Copy content Toggle raw display
$13$ \( (T^{2} - 30)^{4} \) Copy content Toggle raw display
$17$ \( (T^{2} + 24)^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} + 18)^{4} \) Copy content Toggle raw display
$23$ \( T^{8} \) Copy content Toggle raw display
$29$ \( (T^{2} + 20)^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} + 72)^{4} \) Copy content Toggle raw display
$37$ \( (T + 2)^{8} \) Copy content Toggle raw display
$41$ \( T^{8} \) Copy content Toggle raw display
$43$ \( (T^{2} + 60)^{4} \) Copy content Toggle raw display
$47$ \( T^{8} \) Copy content Toggle raw display
$53$ \( (T^{2} + 20)^{4} \) Copy content Toggle raw display
$59$ \( (T^{2} - 90)^{4} \) Copy content Toggle raw display
$61$ \( (T^{2} - 30)^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} + 60)^{4} \) Copy content Toggle raw display
$71$ \( (T^{2} - 12)^{4} \) Copy content Toggle raw display
$73$ \( (T^{2} - 120)^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} + 240)^{4} \) Copy content Toggle raw display
$83$ \( (T^{2} - 90)^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} + 96)^{4} \) Copy content Toggle raw display
$97$ \( T^{8} \) Copy content Toggle raw display
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