Properties

Label 704.2.w.a
Level $704$
Weight $2$
Character orbit 704.w
Analytic conductor $5.621$
Analytic rank $0$
Dimension $16$
CM discriminant -8
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [704,2,Mod(97,704)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(704, base_ring=CyclotomicField(10))
 
chi = DirichletCharacter(H, H._module([0, 5, 6]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("704.97");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 704 = 2^{6} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 704.w (of order \(10\), degree \(4\), 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: \(5.62146830230\)
Analytic rank: \(0\)
Dimension: \(16\)
Relative dimension: \(4\) over \(\Q(\zeta_{10})\)
Coefficient field: \(\Q(\zeta_{40})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{16} - x^{12} + x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{12} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{10}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{15}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_{13} + \beta_{8} + \cdots - \beta_{4}) q^{3}+ \cdots + ( - \beta_{12} - \beta_{10} - \beta_{2} + \cdots - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{13} + \beta_{8} + \cdots - \beta_{4}) q^{3}+ \cdots + (\beta_{14} - 10 \beta_{13} + \cdots - 6 \beta_{4}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 16 q + 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 16 q + 4 q^{9} + 24 q^{17} - 20 q^{25} + 76 q^{33} + 24 q^{41} + 28 q^{49} - 124 q^{57} - 8 q^{73} - 16 q^{81} - 72 q^{89} + 60 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{40}^{4} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{40}^{8} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \zeta_{40}^{12} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( -\zeta_{40}^{11} - \zeta_{40}^{6} + \zeta_{40} \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( -\zeta_{40}^{15} - \zeta_{40}^{10} + \zeta_{40}^{5} \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( -\zeta_{40}^{11} + \zeta_{40}^{6} + \zeta_{40} \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( -\zeta_{40}^{13} + \zeta_{40}^{9} - \zeta_{40}^{7} - \zeta_{40}^{5} + \zeta_{40}^{2} + \zeta_{40} \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( -\zeta_{40}^{15} + \zeta_{40}^{10} + \zeta_{40}^{5} \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( -\zeta_{40}^{14} + \zeta_{40}^{13} + \zeta_{40}^{10} - \zeta_{40}^{6} + \zeta_{40}^{3} + \zeta_{40}^{2} \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( 2\zeta_{40}^{11} + 2\zeta_{40} \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( 2\zeta_{40}^{15} + 2\zeta_{40}^{5} \) Copy content Toggle raw display
\(\beta_{12}\)\(=\) \( -2\zeta_{40}^{13} + 2\zeta_{40}^{9} + 2\zeta_{40}^{7} - 2\zeta_{40}^{5} + 2\zeta_{40} \) Copy content Toggle raw display
\(\beta_{13}\)\(=\) \( -\zeta_{40}^{15} + \zeta_{40}^{14} + \zeta_{40}^{11} + \zeta_{40}^{9} - \zeta_{40}^{7} + \zeta_{40}^{3} \) Copy content Toggle raw display
\(\beta_{14}\)\(=\) \( -\zeta_{40}^{15} - \zeta_{40}^{14} + \zeta_{40}^{11} + \zeta_{40}^{9} - \zeta_{40}^{7} + \zeta_{40}^{3} \) Copy content Toggle raw display
\(\beta_{15}\)\(=\) \( -2\zeta_{40}^{15} + 2\zeta_{40}^{11} - 2\zeta_{40}^{9} - 2\zeta_{40}^{7} + 2\zeta_{40}^{3} \) Copy content Toggle raw display
\(\zeta_{40}\)\(=\) \( ( \beta_{10} + \beta_{6} + \beta_{4} ) / 4 \) Copy content Toggle raw display
\(\zeta_{40}^{2}\)\(=\) \( ( -\beta_{14} + \beta_{9} + \beta_{7} + \beta_{5} - \beta_{4} ) / 2 \) Copy content Toggle raw display
\(\zeta_{40}^{3}\)\(=\) \( ( \beta_{15} + \beta_{13} + \beta_{12} + \beta_{11} - \beta_{10} + \beta_{9} - \beta_{8} - \beta_{7} + \beta_{6} ) / 4 \) Copy content Toggle raw display
\(\zeta_{40}^{4}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{40}^{5}\)\(=\) \( ( \beta_{11} + \beta_{8} + \beta_{5} ) / 4 \) Copy content Toggle raw display
\(\zeta_{40}^{6}\)\(=\) \( ( \beta_{6} - \beta_{4} ) / 2 \) Copy content Toggle raw display
\(\zeta_{40}^{7}\)\(=\) \( ( -\beta_{14} + \beta_{12} + \beta_{9} - \beta_{7} + \beta_{5} - \beta_{4} ) / 4 \) Copy content Toggle raw display
\(\zeta_{40}^{8}\)\(=\) \( \beta_{2} \) Copy content Toggle raw display
\(\zeta_{40}^{9}\)\(=\) \( ( -\beta_{15} + \beta_{14} + \beta_{13} ) / 4 \) Copy content Toggle raw display
\(\zeta_{40}^{10}\)\(=\) \( ( \beta_{8} - \beta_{5} ) / 2 \) Copy content Toggle raw display
\(\zeta_{40}^{11}\)\(=\) \( ( \beta_{10} - \beta_{6} - \beta_{4} ) / 4 \) Copy content Toggle raw display
\(\zeta_{40}^{12}\)\(=\) \( \beta_{3} \) Copy content Toggle raw display
\(\zeta_{40}^{13}\)\(=\) \( ( -\beta_{15} + \beta_{13} - \beta_{12} - \beta_{11} + \beta_{10} + \beta_{9} - \beta_{8} - \beta_{7} + \beta_{6} ) / 4 \) Copy content Toggle raw display
\(\zeta_{40}^{14}\)\(=\) \( ( -\beta_{14} + \beta_{13} ) / 2 \) Copy content Toggle raw display
\(\zeta_{40}^{15}\)\(=\) \( ( \beta_{11} - \beta_{8} - \beta_{5} ) / 4 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/704\mathbb{Z}\right)^\times\).

\(n\) \(133\) \(321\) \(639\)
\(\chi(n)\) \(-1\) \(\beta_{2}\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
97.1
0.891007 + 0.453990i
−0.453990 + 0.891007i
−0.891007 0.453990i
0.453990 0.891007i
0.891007 0.453990i
−0.453990 0.891007i
−0.891007 + 0.453990i
0.453990 + 0.891007i
0.156434 + 0.987688i
0.987688 0.156434i
−0.156434 0.987688i
−0.987688 + 0.156434i
0.156434 0.987688i
0.987688 + 0.156434i
−0.156434 + 0.987688i
−0.987688 0.156434i
0 −1.94441 2.67625i 0 0 0 0 0 −2.45454 + 7.55429i 0
97.2 0 −1.21787 1.67625i 0 0 0 0 0 −0.399565 + 1.22973i 0
97.3 0 1.21787 + 1.67625i 0 0 0 0 0 −0.399565 + 1.22973i 0
97.4 0 1.94441 + 2.67625i 0 0 0 0 0 −2.45454 + 7.55429i 0
225.1 0 −1.94441 + 2.67625i 0 0 0 0 0 −2.45454 7.55429i 0
225.2 0 −1.21787 + 1.67625i 0 0 0 0 0 −0.399565 1.22973i 0
225.3 0 1.21787 1.67625i 0 0 0 0 0 −0.399565 1.22973i 0
225.4 0 1.94441 2.67625i 0 0 0 0 0 −2.45454 7.55429i 0
289.1 0 −3.11998 + 1.01374i 0 0 0 0 0 6.27955 4.56236i 0
289.2 0 −0.0422971 + 0.0137431i 0 0 0 0 0 −2.42545 + 1.76219i 0
289.3 0 0.0422971 0.0137431i 0 0 0 0 0 −2.42545 + 1.76219i 0
289.4 0 3.11998 1.01374i 0 0 0 0 0 6.27955 4.56236i 0
609.1 0 −3.11998 1.01374i 0 0 0 0 0 6.27955 + 4.56236i 0
609.2 0 −0.0422971 0.0137431i 0 0 0 0 0 −2.42545 1.76219i 0
609.3 0 0.0422971 + 0.0137431i 0 0 0 0 0 −2.42545 1.76219i 0
609.4 0 3.11998 + 1.01374i 0 0 0 0 0 6.27955 + 4.56236i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 97.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.d odd 2 1 CM by \(\Q(\sqrt{-2}) \)
4.b odd 2 1 inner
8.b even 2 1 inner
11.c even 5 1 inner
44.h odd 10 1 inner
88.l odd 10 1 inner
88.o even 10 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 704.2.w.a 16
4.b odd 2 1 inner 704.2.w.a 16
8.b even 2 1 inner 704.2.w.a 16
8.d odd 2 1 CM 704.2.w.a 16
11.c even 5 1 inner 704.2.w.a 16
44.h odd 10 1 inner 704.2.w.a 16
88.l odd 10 1 inner 704.2.w.a 16
88.o even 10 1 inner 704.2.w.a 16
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
704.2.w.a 16 1.a even 1 1 trivial
704.2.w.a 16 4.b odd 2 1 inner
704.2.w.a 16 8.b even 2 1 inner
704.2.w.a 16 8.d odd 2 1 CM
704.2.w.a 16 11.c even 5 1 inner
704.2.w.a 16 44.h odd 10 1 inner
704.2.w.a 16 88.l odd 10 1 inner
704.2.w.a 16 88.o even 10 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{16} - 8T_{3}^{14} + 108T_{3}^{12} - 1186T_{3}^{10} + 12590T_{3}^{8} + 12764T_{3}^{6} + 255573T_{3}^{4} - 818T_{3}^{2} + 1 \) acting on \(S_{2}^{\mathrm{new}}(704, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{16} \) Copy content Toggle raw display
$3$ \( T^{16} - 8 T^{14} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{16} \) Copy content Toggle raw display
$7$ \( T^{16} \) Copy content Toggle raw display
$11$ \( T^{16} + \cdots + 214358881 \) Copy content Toggle raw display
$13$ \( T^{16} \) Copy content Toggle raw display
$17$ \( (T^{8} - 12 T^{7} + \cdots + 101761)^{2} \) Copy content Toggle raw display
$19$ \( T^{16} + \cdots + 4311773343361 \) Copy content Toggle raw display
$23$ \( T^{16} \) Copy content Toggle raw display
$29$ \( T^{16} \) Copy content Toggle raw display
$31$ \( T^{16} \) Copy content Toggle raw display
$37$ \( T^{16} \) Copy content Toggle raw display
$41$ \( (T^{8} - 12 T^{7} + \cdots + 5387041)^{2} \) Copy content Toggle raw display
$43$ \( (T^{8} + 330 T^{6} + \cdots + 5085025)^{2} \) Copy content Toggle raw display
$47$ \( T^{16} \) Copy content Toggle raw display
$53$ \( T^{16} \) Copy content Toggle raw display
$59$ \( T^{16} + \cdots + 42\!\cdots\!21 \) Copy content Toggle raw display
$61$ \( T^{16} \) Copy content Toggle raw display
$67$ \( (T^{8} + 474 T^{6} + \cdots + 23030401)^{2} \) Copy content Toggle raw display
$71$ \( T^{16} \) Copy content Toggle raw display
$73$ \( (T^{8} + 4 T^{7} + \cdots + 635090401)^{2} \) Copy content Toggle raw display
$79$ \( T^{16} \) Copy content Toggle raw display
$83$ \( T^{16} + \cdots + 605726965933441 \) Copy content Toggle raw display
$89$ \( (T^{4} + 18 T^{3} + \cdots + 401)^{4} \) Copy content Toggle raw display
$97$ \( (T^{8} - 30 T^{7} + \cdots + 73017025)^{2} \) Copy content Toggle raw display
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