Properties

Label 1407.1.u.a
Level $1407$
Weight $1$
Character orbit 1407.u
Analytic conductor $0.702$
Analytic rank $0$
Dimension $2$
Projective image $D_{6}$
CM discriminant -3
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1407,1,Mod(164,1407)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1407, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([3, 1, 5]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1407.164");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1407 = 3 \cdot 7 \cdot 67 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1407.u (of order \(6\), degree \(2\), 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: \(0.702184472775\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\zeta_{6})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{6}\)
Projective field: Galois closure of 6.2.204223974060141.1

$q$-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.

\(f(q)\) \(=\) \( q - \zeta_{6}^{2} q^{3} + \zeta_{6} q^{4} + q^{7} - \zeta_{6} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q - \zeta_{6}^{2} q^{3} + \zeta_{6} q^{4} + q^{7} - \zeta_{6} q^{9} + q^{12} + \zeta_{6} q^{13} + \zeta_{6}^{2} q^{16} + ( - \zeta_{6} - 1) q^{19} - \zeta_{6}^{2} q^{21} + \zeta_{6}^{2} q^{25} - q^{27} + \zeta_{6} q^{28} - \zeta_{6} q^{31} - \zeta_{6}^{2} q^{36} - \zeta_{6}^{2} q^{37} + 2 q^{39} + \zeta_{6} q^{48} + q^{49} + 2 \zeta_{6}^{2} q^{52} + (\zeta_{6}^{2} - 1) q^{57} - \zeta_{6}^{2} q^{61} - \zeta_{6} q^{63} - q^{64} - q^{67} + ( - \zeta_{6}^{2} - \zeta_{6}) q^{73} + \zeta_{6} q^{75} + ( - \zeta_{6}^{2} - \zeta_{6}) q^{76} + (\zeta_{6}^{2} + \zeta_{6}) q^{79} + \zeta_{6}^{2} q^{81} + q^{84} + 2 \zeta_{6} q^{91} - 2 q^{93} + \zeta_{6} q^{97} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + q^{3} + q^{4} + 2 q^{7} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + q^{3} + q^{4} + 2 q^{7} - q^{9} + 2 q^{12} + 2 q^{13} - q^{16} - 3 q^{19} + q^{21} - q^{25} - 2 q^{27} + q^{28} - 2 q^{31} + q^{36} + q^{37} + 4 q^{39} + q^{48} + 2 q^{49} - 2 q^{52} - 3 q^{57} + q^{61} - q^{63} - 2 q^{64} - 2 q^{67} + q^{75} - q^{81} + 2 q^{84} + 2 q^{91} - 4 q^{93} + q^{97}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1407\mathbb{Z}\right)^\times\).

\(n\) \(337\) \(470\) \(1207\)
\(\chi(n)\) \(-\zeta_{6}^{2}\) \(-1\) \(\zeta_{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
164.1
0.500000 + 0.866025i
0.500000 0.866025i
0 0.500000 0.866025i 0.500000 + 0.866025i 0 0 1.00000 0 −0.500000 0.866025i 0
1244.1 0 0.500000 + 0.866025i 0.500000 0.866025i 0 0 1.00000 0 −0.500000 + 0.866025i 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
469.p even 6 1 inner
1407.u odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1407.1.u.a 2
3.b odd 2 1 CM 1407.1.u.a 2
7.d odd 6 1 1407.1.bm.a yes 2
21.g even 6 1 1407.1.bm.a yes 2
67.d odd 6 1 1407.1.bm.a yes 2
201.f even 6 1 1407.1.bm.a yes 2
469.p even 6 1 inner 1407.1.u.a 2
1407.u odd 6 1 inner 1407.1.u.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1407.1.u.a 2 1.a even 1 1 trivial
1407.1.u.a 2 3.b odd 2 1 CM
1407.1.u.a 2 469.p even 6 1 inner
1407.1.u.a 2 1407.u odd 6 1 inner
1407.1.bm.a yes 2 7.d odd 6 1
1407.1.bm.a yes 2 21.g even 6 1
1407.1.bm.a yes 2 67.d odd 6 1
1407.1.bm.a yes 2 201.f even 6 1

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(1407, [\chi])\).

Hecke characteristic polynomials

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