Properties

Label 2639.1.ec.a
Level $2639$
Weight $1$
Character orbit 2639.ec
Analytic conductor $1.317$
Analytic rank $0$
Dimension $6$
Projective image $D_{7}$
CM discriminant -91
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2639,1,Mod(181,2639)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2639, base_ring=CyclotomicField(14))
 
chi = DirichletCharacter(H, H._module([7, 7, 6]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2639.181");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2639 = 7 \cdot 13 \cdot 29 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2639.ec (of order \(14\), degree \(6\), 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: \(1.31703256834\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: \(\Q(\zeta_{14})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{7}\)
Projective field: Galois closure of 7.1.448241604829291.1

$q$-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.

\(f(q)\) \(=\) \( q - \zeta_{14}^{3} q^{4} + (\zeta_{14}^{3} - 1) q^{5} - \zeta_{14}^{4} q^{7} - \zeta_{14} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{14}^{3} q^{4} + (\zeta_{14}^{3} - 1) q^{5} - \zeta_{14}^{4} q^{7} - \zeta_{14} q^{9} - \zeta_{14}^{6} q^{13} + \zeta_{14}^{6} q^{16} + (\zeta_{14}^{5} + \zeta_{14}) q^{19} + ( - \zeta_{14}^{6} + \zeta_{14}^{3}) q^{20} + ( - \zeta_{14}^{3} - \zeta_{14}) q^{23} + (\zeta_{14}^{6} - \zeta_{14}^{3} + 1) q^{25} - q^{28} - \zeta_{14}^{3} q^{29} + ( - \zeta_{14}^{2} + \zeta_{14}) q^{31} + (\zeta_{14}^{4} + 1) q^{35} + \zeta_{14}^{4} q^{36} + (\zeta_{14}^{5} - \zeta_{14}^{2}) q^{41} + ( - \zeta_{14}^{3} - \zeta_{14}) q^{43} + ( - \zeta_{14}^{4} + \zeta_{14}) q^{45} + (\zeta_{14}^{5} - 1) q^{47} - \zeta_{14} q^{49} - \zeta_{14}^{2} q^{52} + (\zeta_{14}^{2} - \zeta_{14}) q^{53} + ( - \zeta_{14}^{4} + \zeta_{14}^{3}) q^{59} + \zeta_{14}^{5} q^{63} + \zeta_{14}^{2} q^{64} + (\zeta_{14}^{6} + \zeta_{14}^{2}) q^{65} - \zeta_{14}^{2} q^{73} + ( - \zeta_{14}^{4} + \zeta_{14}) q^{76} + (\zeta_{14}^{6} - \zeta_{14}^{3}) q^{79} + ( - \zeta_{14}^{6} - \zeta_{14}^{2}) q^{80} + \zeta_{14}^{2} q^{81} + (\zeta_{14}^{5} + \zeta_{14}) q^{83} + ( - \zeta_{14}^{6} - \zeta_{14}^{4}) q^{89} - \zeta_{14}^{3} q^{91} + (\zeta_{14}^{6} + \zeta_{14}^{4}) q^{92} + ( - \zeta_{14}^{5} + \zeta_{14}^{4} - \zeta_{14}) q^{95} + ( - \zeta_{14}^{6} - 1) q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - q^{4} - 5 q^{5} + q^{7} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - q^{4} - 5 q^{5} + q^{7} - q^{9} + q^{13} - q^{16} + 2 q^{19} + 2 q^{20} - 2 q^{23} + 4 q^{25} - 6 q^{28} - q^{29} + 2 q^{31} + 5 q^{35} - q^{36} + 2 q^{41} - 2 q^{43} + 2 q^{45} - 5 q^{47} - q^{49} + q^{52} - 2 q^{53} + 2 q^{59} + q^{63} - q^{64} - 2 q^{65} + 2 q^{73} + 2 q^{76} - 2 q^{79} + 2 q^{80} - q^{81} + 2 q^{83} + 2 q^{89} - q^{91} - 2 q^{92} - 4 q^{95} - 5 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2639\mathbb{Z}\right)^\times\).

\(n\) \(1016\) \(1886\) \(2003\)
\(\chi(n)\) \(-1\) \(-1\) \(-\zeta_{14}^{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
181.1
−0.623490 0.781831i
0.900969 + 0.433884i
−0.623490 + 0.781831i
0.222521 + 0.974928i
0.222521 0.974928i
0.900969 0.433884i
0 0 −0.900969 + 0.433884i −0.0990311 0.433884i 0 0.900969 + 0.433884i 0 0.623490 + 0.781831i 0
545.1 0 0 −0.222521 0.974928i −0.777479 + 0.974928i 0 0.222521 0.974928i 0 −0.900969 0.433884i 0
1910.1 0 0 −0.900969 0.433884i −0.0990311 + 0.433884i 0 0.900969 0.433884i 0 0.623490 0.781831i 0
2365.1 0 0 0.623490 + 0.781831i −1.62349 0.781831i 0 −0.623490 + 0.781831i 0 −0.222521 0.974928i 0
2456.1 0 0 0.623490 0.781831i −1.62349 + 0.781831i 0 −0.623490 0.781831i 0 −0.222521 + 0.974928i 0
2547.1 0 0 −0.222521 + 0.974928i −0.777479 0.974928i 0 0.222521 + 0.974928i 0 −0.900969 + 0.433884i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 181.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
91.b odd 2 1 CM by \(\Q(\sqrt{-91}) \)
29.d even 7 1 inner
2639.ec odd 14 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2639.1.ec.a 6
7.b odd 2 1 2639.1.ec.b yes 6
13.b even 2 1 2639.1.ec.b yes 6
29.d even 7 1 inner 2639.1.ec.a 6
91.b odd 2 1 CM 2639.1.ec.a 6
203.n odd 14 1 2639.1.ec.b yes 6
377.w even 14 1 2639.1.ec.b yes 6
2639.ec odd 14 1 inner 2639.1.ec.a 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2639.1.ec.a 6 1.a even 1 1 trivial
2639.1.ec.a 6 29.d even 7 1 inner
2639.1.ec.a 6 91.b odd 2 1 CM
2639.1.ec.a 6 2639.ec odd 14 1 inner
2639.1.ec.b yes 6 7.b odd 2 1
2639.1.ec.b yes 6 13.b even 2 1
2639.1.ec.b yes 6 203.n odd 14 1
2639.1.ec.b yes 6 377.w even 14 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{6} + 5T_{5}^{5} + 11T_{5}^{4} + 13T_{5}^{3} + 9T_{5}^{2} + 3T_{5} + 1 \) acting on \(S_{1}^{\mathrm{new}}(2639, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( T^{6} \) Copy content Toggle raw display
$5$ \( T^{6} + 5 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{6} - T^{5} + T^{4} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{6} \) Copy content Toggle raw display
$13$ \( T^{6} - T^{5} + T^{4} + \cdots + 1 \) Copy content Toggle raw display
$17$ \( T^{6} \) Copy content Toggle raw display
$19$ \( T^{6} - 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$23$ \( T^{6} + 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$29$ \( T^{6} + T^{5} + T^{4} + \cdots + 1 \) Copy content Toggle raw display
$31$ \( T^{6} - 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$37$ \( T^{6} \) Copy content Toggle raw display
$41$ \( (T^{3} - T^{2} - 2 T + 1)^{2} \) Copy content Toggle raw display
$43$ \( T^{6} + 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$47$ \( T^{6} + 5 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$53$ \( T^{6} + 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$59$ \( (T^{3} - T^{2} - 2 T + 1)^{2} \) Copy content Toggle raw display
$61$ \( T^{6} \) Copy content Toggle raw display
$67$ \( T^{6} \) Copy content Toggle raw display
$71$ \( T^{6} \) Copy content Toggle raw display
$73$ \( T^{6} - 2 T^{5} + \cdots + 64 \) Copy content Toggle raw display
$79$ \( T^{6} + 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$83$ \( T^{6} - 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$89$ \( T^{6} - 2 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$97$ \( T^{6} + 5 T^{5} + \cdots + 1 \) Copy content Toggle raw display
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