Properties

Label 2061.1.bn.a
Level $2061$
Weight $1$
Character orbit 2061.bn
Analytic conductor $1.029$
Analytic rank $0$
Dimension $36$
Projective image $D_{76}$
CM discriminant -3
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2061,1,Mod(109,2061)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2061, base_ring=CyclotomicField(76))
 
chi = DirichletCharacter(H, H._module([0, 9]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2061.109");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2061 = 3^{2} \cdot 229 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2061.bn (of order \(76\), degree \(36\), 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: \(1.02857299104\)
Analytic rank: \(0\)
Dimension: \(36\)
Coefficient field: \(\Q(\zeta_{76})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{36} - x^{34} + x^{32} - x^{30} + x^{28} - x^{26} + x^{24} - x^{22} + x^{20} - x^{18} + x^{16} + \cdots + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{76}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{76} - \cdots)\)

$q$-expansion

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

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q - \zeta_{76}^{23} q^{4} + (\zeta_{76}^{26} - \zeta_{76}^{17}) q^{7} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{76}^{23} q^{4} + (\zeta_{76}^{26} - \zeta_{76}^{17}) q^{7} + ( - \zeta_{76}^{33} - \zeta_{76}^{30}) q^{13} - \zeta_{76}^{8} q^{16} + (\zeta_{76}^{28} + \zeta_{76}^{4}) q^{19} - \zeta_{76}^{6} q^{25} + (\zeta_{76}^{11} - \zeta_{76}^{2}) q^{28} + ( - \zeta_{76}^{20} - \zeta_{76}^{19}) q^{31} + (\zeta_{76}^{12} - \zeta_{76}^{10}) q^{37} + ( - \zeta_{76}^{13} + \zeta_{76}^{9}) q^{43} + (\zeta_{76}^{34} + \cdots + \zeta_{76}^{5}) q^{49} + \cdots + (\zeta_{76}^{24} + \zeta_{76}^{2}) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 36 q + 2 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 36 q + 2 q^{7} - 2 q^{13} + 2 q^{16} - 4 q^{19} - 2 q^{25} - 2 q^{28} + 2 q^{31} - 4 q^{37} - 2 q^{52} + 2 q^{67} + 2 q^{73} - 2 q^{79} + 4 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2061\mathbb{Z}\right)^\times\).

\(n\) \(235\) \(1604\)
\(\chi(n)\) \(-\zeta_{76}^{21}\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
109.1
0.915773 0.401695i
0.614213 + 0.789141i
−0.837166 + 0.546948i
−0.837166 0.546948i
0.915773 + 0.401695i
−0.475947 + 0.879474i
−0.969400 + 0.245485i
−0.735724 0.677282i
0.164595 + 0.986361i
−0.324699 + 0.945817i
0.475947 + 0.879474i
−0.324699 0.945817i
0.324699 + 0.945817i
−0.475947 0.879474i
0.324699 0.945817i
−0.164595 0.986361i
0.735724 + 0.677282i
0.969400 0.245485i
0.475947 0.879474i
−0.915773 0.401695i
0 0 0.996584 0.0825793i 0 0 −0.981209 + 1.64668i 0 0 0
136.1 0 0 0.475947 0.879474i 0 0 1.05198 1.24207i 0 0 0
145.1 0 0 0.735724 0.677282i 0 0 −1.70491 0.212517i 0 0 0
199.1 0 0 0.735724 + 0.677282i 0 0 −1.70491 + 0.212517i 0 0 0
208.1 0 0 0.996584 + 0.0825793i 0 0 −0.981209 1.64668i 0 0 0
343.1 0 0 0.915773 + 0.401695i 0 0 −0.108651 + 0.222249i 0 0 0
352.1 0 0 0.837166 + 0.546948i 0 0 0.510414 + 0.714879i 0 0 0
370.1 0 0 −0.164595 0.986361i 0 0 1.87606 + 0.558527i 0 0 0
406.1 0 0 −0.614213 0.789141i 0 0 0.0769960 + 0.0300439i 0 0 0
424.1 0 0 −0.969400 + 0.245485i 0 0 0.0630689 1.52486i 0 0 0
460.1 0 0 −0.915773 + 0.401695i 0 0 −1.78298 + 0.871648i 0 0 0
559.1 0 0 −0.969400 0.245485i 0 0 0.0630689 + 1.52486i 0 0 0
586.1 0 0 0.969400 + 0.245485i 0 0 1.29149 0.0534166i 0 0 0
685.1 0 0 0.915773 0.401695i 0 0 −0.108651 0.222249i 0 0 0
721.1 0 0 0.969400 0.245485i 0 0 1.29149 + 0.0534166i 0 0 0
739.1 0 0 0.614213 + 0.789141i 0 0 0.726395 1.86159i 0 0 0
775.1 0 0 0.164595 + 0.986361i 0 0 −0.117111 + 0.393368i 0 0 0
793.1 0 0 −0.837166 0.546948i 0 0 1.46231 1.04407i 0 0 0
802.1 0 0 −0.915773 0.401695i 0 0 −1.78298 0.871648i 0 0 0
937.1 0 0 −0.996584 0.0825793i 0 0 0.490238 0.292119i 0 0 0
See all 36 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 109.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
229.j odd 76 1 inner
687.r even 76 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2061.1.bn.a 36
3.b odd 2 1 CM 2061.1.bn.a 36
229.j odd 76 1 inner 2061.1.bn.a 36
687.r even 76 1 inner 2061.1.bn.a 36
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2061.1.bn.a 36 1.a even 1 1 trivial
2061.1.bn.a 36 3.b odd 2 1 CM
2061.1.bn.a 36 229.j odd 76 1 inner
2061.1.bn.a 36 687.r even 76 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(2061, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{36} \) Copy content Toggle raw display
$3$ \( T^{36} \) Copy content Toggle raw display
$5$ \( T^{36} \) Copy content Toggle raw display
$7$ \( T^{36} - 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{36} \) Copy content Toggle raw display
$13$ \( T^{36} + 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{36} \) Copy content Toggle raw display
$19$ \( (T^{18} + 2 T^{17} + \cdots + 1)^{2} \) Copy content Toggle raw display
$23$ \( T^{36} \) Copy content Toggle raw display
$29$ \( T^{36} \) Copy content Toggle raw display
$31$ \( T^{36} - 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$37$ \( (T^{18} + 2 T^{17} + \cdots + 1)^{2} \) Copy content Toggle raw display
$41$ \( T^{36} \) Copy content Toggle raw display
$43$ \( T^{36} + 38 T^{28} + \cdots + 361 \) Copy content Toggle raw display
$47$ \( T^{36} \) Copy content Toggle raw display
$53$ \( T^{36} \) Copy content Toggle raw display
$59$ \( T^{36} \) Copy content Toggle raw display
$61$ \( T^{36} - 456 T^{26} + \cdots + 361 \) Copy content Toggle raw display
$67$ \( T^{36} - 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$71$ \( T^{36} \) Copy content Toggle raw display
$73$ \( T^{36} - 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{36} + 2 T^{35} + \cdots + 1 \) Copy content Toggle raw display
$83$ \( T^{36} \) Copy content Toggle raw display
$89$ \( T^{36} \) Copy content Toggle raw display
$97$ \( (T^{18} - 38 T^{13} + \cdots + 19)^{2} \) Copy content Toggle raw display
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