Properties

Label 3311.1.co.a
Level $3311$
Weight $1$
Character orbit 3311.co
Analytic conductor $1.652$
Analytic rank $0$
Dimension $8$
Projective image $D_{30}$
CM discriminant -7
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3311,1,Mod(811,3311)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3311, base_ring=CyclotomicField(30))
 
chi = DirichletCharacter(H, H._module([15, 9, 5]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3311.811");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3311 = 7 \cdot 11 \cdot 43 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3311.co (of order \(30\), degree \(8\), 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: \(1.65240425683\)
Analytic rank: \(0\)
Dimension: \(8\)
Coefficient field: \(\Q(\zeta_{15})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{7} + x^{5} - x^{4} + x^{3} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{30}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{30} - \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + ( - \zeta_{30}^{2} + \zeta_{30}) q^{2} + (\zeta_{30}^{4} + \cdots + \zeta_{30}^{2}) q^{4}+ \cdots - \zeta_{30}^{14} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + ( - \zeta_{30}^{2} + \zeta_{30}) q^{2} + (\zeta_{30}^{4} + \cdots + \zeta_{30}^{2}) q^{4}+ \cdots - \zeta_{30}^{5} q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q - 2 q^{2} - q^{7} + 7 q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 8 q - 2 q^{2} - q^{7} + 7 q^{8} - q^{9} + 2 q^{11} - 6 q^{14} - 3 q^{16} + 9 q^{18} + 2 q^{22} + q^{23} - q^{25} + 5 q^{28} - q^{29} + 10 q^{32} - 5 q^{37} + q^{43} + 5 q^{44} - 4 q^{46} + q^{49} - q^{50} - 3 q^{53} + q^{56} + 4 q^{58} + q^{63} - 7 q^{64} - q^{67} + 2 q^{71} - 4 q^{72} + q^{77} + 7 q^{79} + q^{81} - 9 q^{86} - 7 q^{88} + 10 q^{92} + q^{98} - 4 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3311\mathbb{Z}\right)^\times\).

\(n\) \(904\) \(1893\) \(2927\)
\(\chi(n)\) \(\zeta_{30}^{3}\) \(-1\) \(\zeta_{30}^{5}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
811.1
0.913545 0.406737i
0.669131 0.743145i
−0.978148 + 0.207912i
−0.978148 0.207912i
0.669131 + 0.743145i
0.913545 + 0.406737i
−0.104528 0.994522i
−0.104528 + 0.994522i
−1.58268 + 1.14988i 0 0.873619 2.68872i 0 0 0.978148 0.207912i 1.10453 + 3.39939i −0.913545 0.406737i 0
1168.1 −0.564602 + 1.73767i 0 −1.89169 1.37440i 0 0 −0.913545 + 0.406737i 1.97815 1.43721i −0.669131 0.743145i 0
1469.1 0.0646021 + 0.198825i 0 0.773659 0.562096i 0 0 0.104528 + 0.994522i 0.330869 + 0.240391i 0.978148 + 0.207912i 0
2015.1 0.0646021 0.198825i 0 0.773659 + 0.562096i 0 0 0.104528 0.994522i 0.330869 0.240391i 0.978148 0.207912i 0
2316.1 −0.564602 1.73767i 0 −1.89169 + 1.37440i 0 0 −0.913545 0.406737i 1.97815 + 1.43721i −0.669131 + 0.743145i 0
2372.1 −1.58268 1.14988i 0 0.873619 + 2.68872i 0 0 0.978148 + 0.207912i 1.10453 3.39939i −0.913545 + 0.406737i 0
3219.1 1.08268 + 0.786610i 0 0.244415 + 0.752232i 0 0 −0.669131 + 0.743145i 0.0864545 0.266080i 0.104528 0.994522i 0
3275.1 1.08268 0.786610i 0 0.244415 0.752232i 0 0 −0.669131 0.743145i 0.0864545 + 0.266080i 0.104528 + 0.994522i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 811.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.b odd 2 1 CM by \(\Q(\sqrt{-7}) \)
473.s even 30 1 inner
3311.co odd 30 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3311.1.co.a 8
7.b odd 2 1 CM 3311.1.co.a 8
11.d odd 10 1 3311.1.co.b yes 8
43.d odd 6 1 3311.1.co.b yes 8
77.l even 10 1 3311.1.co.b yes 8
301.i even 6 1 3311.1.co.b yes 8
473.s even 30 1 inner 3311.1.co.a 8
3311.co odd 30 1 inner 3311.1.co.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3311.1.co.a 8 1.a even 1 1 trivial
3311.1.co.a 8 7.b odd 2 1 CM
3311.1.co.a 8 473.s even 30 1 inner
3311.1.co.a 8 3311.co odd 30 1 inner
3311.1.co.b yes 8 11.d odd 10 1
3311.1.co.b yes 8 43.d odd 6 1
3311.1.co.b yes 8 77.l even 10 1
3311.1.co.b yes 8 301.i even 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{8} + 2T_{2}^{7} + 3T_{2}^{6} - T_{2}^{5} - T_{2}^{3} + 23T_{2}^{2} - 3T_{2} + 1 \) acting on \(S_{1}^{\mathrm{new}}(3311, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} + 2 T^{7} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{8} \) Copy content Toggle raw display
$5$ \( T^{8} \) Copy content Toggle raw display
$7$ \( T^{8} + T^{7} - T^{5} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( (T^{4} - T^{3} + T^{2} + \cdots + 1)^{2} \) Copy content Toggle raw display
$13$ \( T^{8} \) Copy content Toggle raw display
$17$ \( T^{8} \) Copy content Toggle raw display
$19$ \( T^{8} \) Copy content Toggle raw display
$23$ \( T^{8} - T^{7} + 5 T^{6} + \cdots + 1 \) Copy content Toggle raw display
$29$ \( T^{8} + T^{7} + 4 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$31$ \( T^{8} \) Copy content Toggle raw display
$37$ \( T^{8} + 5 T^{7} + \cdots + 25 \) Copy content Toggle raw display
$41$ \( T^{8} \) Copy content Toggle raw display
$43$ \( T^{8} - T^{7} + T^{5} + \cdots + 1 \) Copy content Toggle raw display
$47$ \( T^{8} \) Copy content Toggle raw display
$53$ \( T^{8} + 3 T^{7} + \cdots + 1 \) Copy content Toggle raw display
$59$ \( T^{8} \) Copy content Toggle raw display
$61$ \( T^{8} \) Copy content Toggle raw display
$67$ \( T^{8} + T^{7} + 5 T^{6} + \cdots + 1 \) Copy content Toggle raw display
$71$ \( T^{8} - 2 T^{7} + \cdots + 1 \) Copy content Toggle raw display
$73$ \( T^{8} \) Copy content Toggle raw display
$79$ \( T^{8} - 7 T^{7} + \cdots + 1 \) Copy content Toggle raw display
$83$ \( T^{8} \) Copy content Toggle raw display
$89$ \( T^{8} \) Copy content Toggle raw display
$97$ \( T^{8} \) Copy content Toggle raw display
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