Properties

Label 3211.1.m.a
Level $3211$
Weight $1$
Character orbit 3211.m
Analytic conductor $1.602$
Analytic rank $0$
Dimension $2$
Projective image $D_{3}$
CM discriminant -247
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3211,1,Mod(2051,3211)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3211, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([5, 3]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3211.2051");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3211 = 13^{2} \cdot 19 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3211.m (of order \(6\), degree \(2\), 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: \(1.60249775556\)
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: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 247)
Projective image: \(D_{3}\)
Projective field: Galois closure of 3.1.247.1
Artin image: $C_6\times S_3$
Artin field: Galois closure of \(\mathbb{Q}[x]/(x^{12} - \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + \zeta_{6}^{2} q^{2} - q^{8} - \zeta_{6} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{6}^{2} q^{2} - q^{8} - \zeta_{6} q^{9} - \zeta_{6}^{2} q^{16} + \zeta_{6} q^{17} + q^{18} + \zeta_{6} q^{19} - \zeta_{6}^{2} q^{23} + q^{25} + q^{31} - q^{34} + \zeta_{6}^{2} q^{37} - q^{38} + \zeta_{6}^{2} q^{41} + \zeta_{6} q^{43} + \zeta_{6} q^{46} + \zeta_{6}^{2} q^{49} + \zeta_{6}^{2} q^{50} - \zeta_{6} q^{59} + \zeta_{6} q^{61} + \zeta_{6}^{2} q^{62} + q^{64} + \zeta_{6}^{2} q^{67} + 2 \zeta_{6} q^{71} + \zeta_{6} q^{72} - \zeta_{6} q^{74} + \zeta_{6}^{2} q^{81} - \zeta_{6} q^{82} - q^{86} - 2 \zeta_{6}^{2} q^{89} - \zeta_{6} q^{97} - \zeta_{6} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q - q^{2} - 2 q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q - q^{2} - 2 q^{8} - q^{9} + q^{16} + q^{17} + 2 q^{18} + q^{19} + q^{23} + 2 q^{25} + 2 q^{31} - 2 q^{34} - q^{37} - 2 q^{38} - q^{41} + q^{43} + q^{46} - q^{49} - q^{50} - q^{59} + q^{61} - q^{62} + 2 q^{64} - q^{67} + 2 q^{71} + q^{72} - q^{74} - q^{81} - q^{82} - 2 q^{86} + 2 q^{89} - q^{97} - q^{98}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3211\mathbb{Z}\right)^\times\).

\(n\) \(1522\) \(1692\)
\(\chi(n)\) \(-1\) \(\zeta_{6}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
2051.1
0.500000 0.866025i
0.500000 + 0.866025i
−0.500000 0.866025i 0 0 0 0 0 −1.00000 −0.500000 + 0.866025i 0
3020.1 −0.500000 + 0.866025i 0 0 0 0 0 −1.00000 −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
247.d odd 2 1 CM by \(\Q(\sqrt{-247}) \)
13.c even 3 1 inner
247.m odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3211.1.m.a 2
13.b even 2 1 3211.1.m.b 2
13.c even 3 1 247.1.d.b yes 1
13.c even 3 1 inner 3211.1.m.a 2
13.d odd 4 2 3211.1.u.a 4
13.e even 6 1 247.1.d.a 1
13.e even 6 1 3211.1.m.b 2
13.f odd 12 2 3211.1.b.a 2
13.f odd 12 2 3211.1.u.a 4
19.b odd 2 1 3211.1.m.b 2
39.h odd 6 1 2223.1.f.d 1
39.i odd 6 1 2223.1.f.a 1
52.i odd 6 1 3952.1.b.b 1
52.j odd 6 1 3952.1.b.a 1
247.d odd 2 1 CM 3211.1.m.a 2
247.i even 4 2 3211.1.u.a 4
247.m odd 6 1 247.1.d.b yes 1
247.m odd 6 1 inner 3211.1.m.a 2
247.u odd 6 1 247.1.d.a 1
247.u odd 6 1 3211.1.m.b 2
247.bd even 12 2 3211.1.b.a 2
247.bd even 12 2 3211.1.u.a 4
741.u even 6 1 2223.1.f.d 1
741.bo even 6 1 2223.1.f.a 1
988.u even 6 1 3952.1.b.a 1
988.bc even 6 1 3952.1.b.b 1
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
247.1.d.a 1 13.e even 6 1
247.1.d.a 1 247.u odd 6 1
247.1.d.b yes 1 13.c even 3 1
247.1.d.b yes 1 247.m odd 6 1
2223.1.f.a 1 39.i odd 6 1
2223.1.f.a 1 741.bo even 6 1
2223.1.f.d 1 39.h odd 6 1
2223.1.f.d 1 741.u even 6 1
3211.1.b.a 2 13.f odd 12 2
3211.1.b.a 2 247.bd even 12 2
3211.1.m.a 2 1.a even 1 1 trivial
3211.1.m.a 2 13.c even 3 1 inner
3211.1.m.a 2 247.d odd 2 1 CM
3211.1.m.a 2 247.m odd 6 1 inner
3211.1.m.b 2 13.b even 2 1
3211.1.m.b 2 13.e even 6 1
3211.1.m.b 2 19.b odd 2 1
3211.1.m.b 2 247.u odd 6 1
3211.1.u.a 4 13.d odd 4 2
3211.1.u.a 4 13.f odd 12 2
3211.1.u.a 4 247.i even 4 2
3211.1.u.a 4 247.bd even 12 2
3952.1.b.a 1 52.j odd 6 1
3952.1.b.a 1 988.u even 6 1
3952.1.b.b 1 52.i odd 6 1
3952.1.b.b 1 988.bc even 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{2} + T_{2} + 1 \) acting on \(S_{1}^{\mathrm{new}}(3211, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

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