Properties

Label 2019.1.bg.a
Level $2019$
Weight $1$
Character orbit 2019.bg
Analytic conductor $1.008$
Analytic rank $0$
Dimension $24$
Projective image $D_{56}$
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] = [2019,1,Mod(95,2019)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2019, base_ring=CyclotomicField(56))
 
chi = DirichletCharacter(H, H._module([28, 33]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2019.95");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2019 = 3 \cdot 673 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2019.bg (of order \(56\), degree \(24\), 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: \(1.00761226051\)
Analytic rank: \(0\)
Dimension: \(24\)
Coefficient field: \(\Q(\zeta_{56})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{24} - x^{20} + x^{16} - x^{12} + x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{56}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{56} - \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q - \zeta_{56}^{6} q^{3} - \zeta_{56}^{14} q^{4} + (\zeta_{56}^{17} - \zeta_{56}^{13}) q^{7} + \zeta_{56}^{12} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{56}^{6} q^{3} - \zeta_{56}^{14} q^{4} + (\zeta_{56}^{17} - \zeta_{56}^{13}) q^{7} + \zeta_{56}^{12} q^{9} + \zeta_{56}^{20} q^{12} + ( - \zeta_{56}^{26} - \zeta_{56}^{22}) q^{13} - q^{16} + ( - \zeta_{56}^{24} - \zeta_{56}^{13}) q^{19} + ( - \zeta_{56}^{23} + \zeta_{56}^{19}) q^{21} - \zeta_{56}^{3} q^{25} - \zeta_{56}^{18} q^{27} + (\zeta_{56}^{27} + \zeta_{56}^{3}) q^{28} + (\zeta_{56}^{23} - \zeta_{56}^{10}) q^{31} - \zeta_{56}^{26} q^{36} + ( - \zeta_{56}^{19} + \zeta_{56}) q^{37} + ( - \zeta_{56}^{4} - 1) q^{39} + (\zeta_{56}^{22} + \zeta_{56}^{21}) q^{43} + \zeta_{56}^{6} q^{48} + (\zeta_{56}^{26} + \cdots + \zeta_{56}^{2}) q^{49} + \cdots + ( - \zeta_{56}^{14} + \zeta_{56}^{10}) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 24 q + 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 24 q + 4 q^{9} + 4 q^{12} - 24 q^{16} + 4 q^{19} - 28 q^{39} + 4 q^{79} - 4 q^{81} - 4 q^{93}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2019\mathbb{Z}\right)^\times\).

\(n\) \(674\) \(1351\)
\(\chi(n)\) \(-1\) \(-\zeta_{56}^{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
95.1
−0.330279 0.943883i
−0.993712 0.111964i
0.993712 + 0.111964i
0.330279 + 0.943883i
0.993712 0.111964i
0.532032 + 0.846724i
0.330279 0.943883i
0.111964 0.993712i
−0.532032 + 0.846724i
−0.846724 + 0.532032i
0.943883 + 0.330279i
0.111964 + 0.993712i
0.943883 0.330279i
0.846724 + 0.532032i
−0.846724 0.532032i
−0.943883 + 0.330279i
−0.111964 0.993712i
−0.943883 0.330279i
0.846724 0.532032i
0.532032 0.846724i
0 −0.433884 0.900969i 1.00000i 0 0 −0.411851 1.17700i 0 −0.623490 + 0.781831i 0
206.1 0 −0.781831 0.623490i 1.00000i 0 0 0.442244 + 0.0498289i 0 0.222521 + 0.974928i 0
467.1 0 −0.781831 0.623490i 1.00000i 0 0 −0.442244 0.0498289i 0 0.222521 + 0.974928i 0
578.1 0 −0.433884 0.900969i 1.00000i 0 0 0.411851 + 1.17700i 0 −0.623490 + 0.781831i 0
722.1 0 −0.781831 + 0.623490i 1.00000i 0 0 −0.442244 + 0.0498289i 0 0.222521 0.974928i 0
725.1 0 −0.974928 + 0.222521i 1.00000i 0 0 −0.958689 1.52574i 0 0.900969 0.433884i 0
758.1 0 −0.433884 + 0.900969i 1.00000i 0 0 0.411851 1.17700i 0 −0.623490 0.781831i 0
839.1 0 0.781831 + 0.623490i 1.00000i 0 0 −0.0498289 + 0.442244i 0 0.222521 + 0.974928i 0
893.1 0 −0.974928 0.222521i 1.00000i 0 0 0.958689 1.52574i 0 0.900969 + 0.433884i 0
1022.1 0 0.974928 0.222521i 1.00000i 0 0 1.52574 0.958689i 0 0.900969 0.433884i 0
1127.1 0 0.433884 0.900969i 1.00000i 0 0 1.17700 + 0.411851i 0 −0.623490 0.781831i 0
1196.1 0 0.781831 0.623490i 1.00000i 0 0 −0.0498289 0.442244i 0 0.222521 0.974928i 0
1220.1 0 0.433884 + 0.900969i 1.00000i 0 0 1.17700 0.411851i 0 −0.623490 + 0.781831i 0
1319.1 0 0.974928 + 0.222521i 1.00000i 0 0 −1.52574 0.958689i 0 0.900969 + 0.433884i 0
1373.1 0 0.974928 + 0.222521i 1.00000i 0 0 1.52574 + 0.958689i 0 0.900969 + 0.433884i 0
1472.1 0 0.433884 + 0.900969i 1.00000i 0 0 −1.17700 + 0.411851i 0 −0.623490 + 0.781831i 0
1496.1 0 0.781831 0.623490i 1.00000i 0 0 0.0498289 + 0.442244i 0 0.222521 0.974928i 0
1565.1 0 0.433884 0.900969i 1.00000i 0 0 −1.17700 0.411851i 0 −0.623490 0.781831i 0
1670.1 0 0.974928 0.222521i 1.00000i 0 0 −1.52574 + 0.958689i 0 0.900969 0.433884i 0
1799.1 0 −0.974928 0.222521i 1.00000i 0 0 −0.958689 + 1.52574i 0 0.900969 + 0.433884i 0
See all 24 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 95.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
673.q even 56 1 inner
2019.bg odd 56 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2019.1.bg.a 24
3.b odd 2 1 CM 2019.1.bg.a 24
673.q even 56 1 inner 2019.1.bg.a 24
2019.bg odd 56 1 inner 2019.1.bg.a 24
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2019.1.bg.a 24 1.a even 1 1 trivial
2019.1.bg.a 24 3.b odd 2 1 CM
2019.1.bg.a 24 673.q even 56 1 inner
2019.1.bg.a 24 2019.bg odd 56 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(2019, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{24} \) Copy content Toggle raw display
$3$ \( (T^{12} - T^{10} + T^{8} + \cdots + 1)^{2} \) Copy content Toggle raw display
$5$ \( T^{24} \) Copy content Toggle raw display
$7$ \( T^{24} + 12 T^{20} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{24} \) Copy content Toggle raw display
$13$ \( (T^{12} + 35 T^{6} + \cdots + 49)^{2} \) Copy content Toggle raw display
$17$ \( T^{24} \) Copy content Toggle raw display
$19$ \( T^{24} - 4 T^{23} + \cdots + 1 \) Copy content Toggle raw display
$23$ \( T^{24} \) Copy content Toggle raw display
$29$ \( T^{24} \) Copy content Toggle raw display
$31$ \( T^{24} - 2 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$37$ \( T^{24} + 4 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$41$ \( T^{24} \) Copy content Toggle raw display
$43$ \( T^{24} - 2 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$47$ \( T^{24} \) Copy content Toggle raw display
$53$ \( T^{24} \) Copy content Toggle raw display
$59$ \( T^{24} \) Copy content Toggle raw display
$61$ \( T^{24} - 2 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$67$ \( T^{24} - 2 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$71$ \( T^{24} \) Copy content Toggle raw display
$73$ \( T^{24} + 4 T^{22} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{24} - 4 T^{23} + \cdots + 1 \) Copy content Toggle raw display
$83$ \( T^{24} \) Copy content Toggle raw display
$89$ \( T^{24} \) Copy content Toggle raw display
$97$ \( (T^{12} + 3 T^{10} + \cdots + 1)^{2} \) Copy content Toggle raw display
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