Properties

Label 1859.1.d.a
Level $1859$
Weight $1$
Character orbit 1859.d
Analytic conductor $0.928$
Analytic rank $0$
Dimension $6$
Projective image $D_{7}$
CM discriminant -11
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1859,1,Mod(1858,1859)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1859, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1859.1858");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1859 = 11 \cdot 13^{2} \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1859.d (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: no
Analytic conductor: \(0.927761858485\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: 6.0.153664.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} + 5x^{4} + 6x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{7}\)
Projective field: Galois closure of 7.1.6424482779.1
Artin image: $C_4\times D_7$
Artin field: Galois closure of \(\mathbb{Q}[x]/(x^{28} - \cdots)\)

$q$-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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_{4} + \beta_{2} - 1) q^{3} - q^{4} - \beta_1 q^{5} + ( - \beta_{4} + 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{4} + \beta_{2} - 1) q^{3} - q^{4} - \beta_1 q^{5} + ( - \beta_{4} + 1) q^{9} - \beta_{5} q^{11} + ( - \beta_{4} - \beta_{2} + 1) q^{12} + ( - \beta_{5} + \beta_1) q^{15} + q^{16} + \beta_1 q^{20} + \beta_{2} q^{23} + (\beta_{2} - 1) q^{25} + (\beta_{4} - 1) q^{27} + ( - \beta_{5} - \beta_{3} + \beta_1) q^{31} - \beta_{3} q^{33} + (\beta_{4} - 1) q^{36} - \beta_{3} q^{37} + \beta_{5} q^{44} + (\beta_{5} - \beta_{3}) q^{45} + (\beta_{5} + \beta_{3} - \beta_1) q^{47} + (\beta_{4} + \beta_{2} - 1) q^{48} - q^{49} - \beta_{4} q^{53} - \beta_{4} q^{55} - \beta_{3} q^{59} + (\beta_{5} - \beta_1) q^{60} - q^{64} + 2 \beta_{5} q^{67} + (\beta_{4} + \beta_{2}) q^{69} + \beta_{3} q^{71} + q^{75} - \beta_1 q^{80} + ( - \beta_{4} - \beta_{2} + 1) q^{81} + (\beta_{5} + \beta_{3} - \beta_1) q^{89} - \beta_{2} q^{92} + ( - \beta_{5} - \beta_{3}) q^{93} - \beta_1 q^{97} + ( - \beta_{5} + \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 2 q^{3} - 6 q^{4} + 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 2 q^{3} - 6 q^{4} + 4 q^{9} + 2 q^{12} + 6 q^{16} + 2 q^{23} - 4 q^{25} - 4 q^{27} - 4 q^{36} - 2 q^{48} - 6 q^{49} - 2 q^{53} - 2 q^{55} - 6 q^{64} + 4 q^{69} + 6 q^{75} + 2 q^{81} - 2 q^{92}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} + 5x^{4} + 6x^{2} + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} + 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} + 3\nu \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \nu^{4} + 3\nu^{2} + 1 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \nu^{5} + 4\nu^{3} + 3\nu \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} - 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{3} - 3\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{4} - 3\beta_{2} + 5 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( \beta_{5} - 4\beta_{3} + 9\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1859\mathbb{Z}\right)^\times\).

\(n\) \(508\) \(1354\)
\(\chi(n)\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1858.1
1.24698i
1.24698i
1.80194i
1.80194i
0.445042i
0.445042i
0 −1.80194 −1.00000 1.24698i 0 0 0 2.24698 0
1858.2 0 −1.80194 −1.00000 1.24698i 0 0 0 2.24698 0
1858.3 0 −0.445042 −1.00000 1.80194i 0 0 0 −0.801938 0
1858.4 0 −0.445042 −1.00000 1.80194i 0 0 0 −0.801938 0
1858.5 0 1.24698 −1.00000 0.445042i 0 0 0 0.554958 0
1858.6 0 1.24698 −1.00000 0.445042i 0 0 0 0.554958 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1858.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
11.b odd 2 1 CM by \(\Q(\sqrt{-11}) \)
13.b even 2 1 inner
143.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1859.1.d.a 6
11.b odd 2 1 CM 1859.1.d.a 6
13.b even 2 1 inner 1859.1.d.a 6
13.c even 3 2 1859.1.i.c 12
13.d odd 4 1 1859.1.c.a 3
13.d odd 4 1 1859.1.c.b yes 3
13.e even 6 2 1859.1.i.c 12
13.f odd 12 2 1859.1.k.a 6
13.f odd 12 2 1859.1.k.b 6
143.d odd 2 1 inner 1859.1.d.a 6
143.g even 4 1 1859.1.c.a 3
143.g even 4 1 1859.1.c.b yes 3
143.i odd 6 2 1859.1.i.c 12
143.k odd 6 2 1859.1.i.c 12
143.o even 12 2 1859.1.k.a 6
143.o even 12 2 1859.1.k.b 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1859.1.c.a 3 13.d odd 4 1
1859.1.c.a 3 143.g even 4 1
1859.1.c.b yes 3 13.d odd 4 1
1859.1.c.b yes 3 143.g even 4 1
1859.1.d.a 6 1.a even 1 1 trivial
1859.1.d.a 6 11.b odd 2 1 CM
1859.1.d.a 6 13.b even 2 1 inner
1859.1.d.a 6 143.d odd 2 1 inner
1859.1.i.c 12 13.c even 3 2
1859.1.i.c 12 13.e even 6 2
1859.1.i.c 12 143.i odd 6 2
1859.1.i.c 12 143.k odd 6 2
1859.1.k.a 6 13.f odd 12 2
1859.1.k.a 6 143.o even 12 2
1859.1.k.b 6 13.f odd 12 2
1859.1.k.b 6 143.o even 12 2

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(1859, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( (T^{3} + T^{2} - 2 T - 1)^{2} \) Copy content Toggle raw display
$5$ \( T^{6} + 5 T^{4} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{6} \) Copy content Toggle raw display
$11$ \( (T^{2} + 1)^{3} \) Copy content Toggle raw display
$13$ \( T^{6} \) Copy content Toggle raw display
$17$ \( T^{6} \) Copy content Toggle raw display
$19$ \( T^{6} \) Copy content Toggle raw display
$23$ \( (T^{3} - T^{2} - 2 T + 1)^{2} \) Copy content Toggle raw display
$29$ \( T^{6} \) Copy content Toggle raw display
$31$ \( T^{6} + 5 T^{4} + \cdots + 1 \) Copy content Toggle raw display
$37$ \( T^{6} + 5 T^{4} + \cdots + 1 \) Copy content Toggle raw display
$41$ \( T^{6} \) Copy content Toggle raw display
$43$ \( T^{6} \) Copy content Toggle raw display
$47$ \( T^{6} + 5 T^{4} + \cdots + 1 \) Copy content Toggle raw display
$53$ \( (T^{3} + T^{2} - 2 T - 1)^{2} \) Copy content Toggle raw display
$59$ \( T^{6} + 5 T^{4} + \cdots + 1 \) Copy content Toggle raw display
$61$ \( T^{6} \) Copy content Toggle raw display
$67$ \( (T^{2} + 4)^{3} \) Copy content Toggle raw display
$71$ \( T^{6} + 5 T^{4} + \cdots + 1 \) Copy content Toggle raw display
$73$ \( T^{6} \) Copy content Toggle raw display
$79$ \( T^{6} \) Copy content Toggle raw display
$83$ \( T^{6} \) Copy content Toggle raw display
$89$ \( T^{6} + 5 T^{4} + \cdots + 1 \) Copy content Toggle raw display
$97$ \( T^{6} + 5 T^{4} + \cdots + 1 \) Copy content Toggle raw display
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