Properties

Label 1476.2.q.a
Level $1476$
Weight $2$
Character orbit 1476.q
Analytic conductor $11.786$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1476,2,Mod(409,1476)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1476, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 2, 3]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1476.409");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1476 = 2^{2} \cdot 3^{2} \cdot 41 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1476.q (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: \(11.7859193383\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(4\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\zeta_{24})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{8} - x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 3^{2} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{7}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_{7} - 2 \beta_{6} + \cdots + \beta_1) q^{3}+ \cdots + (\beta_{4} - 2 \beta_{3}) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{7} - 2 \beta_{6} + \cdots + \beta_1) q^{3}+ \cdots + ( - \beta_{7} - 9 \beta_{6} + \cdots + \beta_1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8 q+O(q^{10}) \) Copy content Toggle raw display \( 8 q + 12 q^{21} + 24 q^{23} + 8 q^{25} - 8 q^{31} + 36 q^{33} - 32 q^{37} - 24 q^{39} + 12 q^{41} + 16 q^{43} - 36 q^{45} - 4 q^{49} + 12 q^{57} - 24 q^{59} + 40 q^{61} + 64 q^{73} + 12 q^{77} - 72 q^{81} - 24 q^{83} - 48 q^{87} - 48 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{24}^{3} + \zeta_{24} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \zeta_{24}^{4} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \zeta_{24}^{6} + \zeta_{24}^{2} \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( -\zeta_{24}^{6} + 2\zeta_{24}^{2} \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \zeta_{24}^{5} - \zeta_{24}^{3} \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( \zeta_{24}^{7} - \zeta_{24}^{5} + \zeta_{24} \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( -\zeta_{24}^{5} - \zeta_{24}^{3} + \zeta_{24} \) Copy content Toggle raw display
\(\zeta_{24}\)\(=\) \( ( \beta_{7} + \beta_{5} + 2\beta_1 ) / 3 \) Copy content Toggle raw display
\(\zeta_{24}^{2}\)\(=\) \( ( \beta_{4} + \beta_{3} ) / 3 \) Copy content Toggle raw display
\(\zeta_{24}^{3}\)\(=\) \( ( -\beta_{7} - \beta_{5} + \beta_1 ) / 3 \) Copy content Toggle raw display
\(\zeta_{24}^{4}\)\(=\) \( \beta_{2} \) Copy content Toggle raw display
\(\zeta_{24}^{5}\)\(=\) \( ( -\beta_{7} + 2\beta_{5} + \beta_1 ) / 3 \) Copy content Toggle raw display
\(\zeta_{24}^{6}\)\(=\) \( ( -\beta_{4} + 2\beta_{3} ) / 3 \) Copy content Toggle raw display
\(\zeta_{24}^{7}\)\(=\) \( ( -2\beta_{7} + 3\beta_{6} + \beta_{5} - \beta_1 ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1476\mathbb{Z}\right)^\times\).

\(n\) \(739\) \(821\) \(1441\)
\(\chi(n)\) \(1\) \(-1 + \beta_{2}\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
409.1
−0.258819 + 0.965926i
−0.965926 0.258819i
0.965926 + 0.258819i
0.258819 0.965926i
−0.965926 + 0.258819i
−0.258819 0.965926i
0.258819 + 0.965926i
0.965926 0.258819i
0 −1.22474 1.22474i 0 −0.866025 + 1.50000i 0 −0.776457 + 0.448288i 0 3.00000i 0
409.2 0 −1.22474 + 1.22474i 0 0.866025 1.50000i 0 −2.89778 + 1.67303i 0 3.00000i 0
409.3 0 1.22474 1.22474i 0 0.866025 1.50000i 0 2.89778 1.67303i 0 3.00000i 0
409.4 0 1.22474 + 1.22474i 0 −0.866025 + 1.50000i 0 0.776457 0.448288i 0 3.00000i 0
1393.1 0 −1.22474 1.22474i 0 0.866025 + 1.50000i 0 −2.89778 1.67303i 0 3.00000i 0
1393.2 0 −1.22474 + 1.22474i 0 −0.866025 1.50000i 0 −0.776457 0.448288i 0 3.00000i 0
1393.3 0 1.22474 1.22474i 0 −0.866025 1.50000i 0 0.776457 + 0.448288i 0 3.00000i 0
1393.4 0 1.22474 + 1.22474i 0 0.866025 + 1.50000i 0 2.89778 + 1.67303i 0 3.00000i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 409.4
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
9.c even 3 1 inner
41.b even 2 1 inner
369.i even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1476.2.q.a 8
3.b odd 2 1 4428.2.q.a 8
9.c even 3 1 inner 1476.2.q.a 8
9.d odd 6 1 4428.2.q.a 8
41.b even 2 1 inner 1476.2.q.a 8
123.b odd 2 1 4428.2.q.a 8
369.i even 6 1 inner 1476.2.q.a 8
369.k odd 6 1 4428.2.q.a 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1476.2.q.a 8 1.a even 1 1 trivial
1476.2.q.a 8 9.c even 3 1 inner
1476.2.q.a 8 41.b even 2 1 inner
1476.2.q.a 8 369.i even 6 1 inner
4428.2.q.a 8 3.b odd 2 1
4428.2.q.a 8 9.d odd 6 1
4428.2.q.a 8 123.b odd 2 1
4428.2.q.a 8 369.k odd 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{4} + 3T_{5}^{2} + 9 \) acting on \(S_{2}^{\mathrm{new}}(1476, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \) Copy content Toggle raw display
$3$ \( (T^{4} + 9)^{2} \) Copy content Toggle raw display
$5$ \( (T^{4} + 3 T^{2} + 9)^{2} \) Copy content Toggle raw display
$7$ \( T^{8} - 12 T^{6} + \cdots + 81 \) Copy content Toggle raw display
$11$ \( T^{8} - 28 T^{6} + \cdots + 16 \) Copy content Toggle raw display
$13$ \( (T^{4} - 24 T^{2} + 576)^{2} \) Copy content Toggle raw display
$17$ \( (T^{2} + 8)^{4} \) Copy content Toggle raw display
$19$ \( (T^{4} + 12 T^{2} + 9)^{2} \) Copy content Toggle raw display
$23$ \( (T^{4} - 12 T^{3} + \cdots + 576)^{2} \) Copy content Toggle raw display
$29$ \( T^{8} - 112 T^{6} + \cdots + 7311616 \) Copy content Toggle raw display
$31$ \( (T^{2} + 2 T + 4)^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} + 8 T - 32)^{4} \) Copy content Toggle raw display
$41$ \( (T^{4} - 6 T^{3} + \cdots + 1681)^{2} \) Copy content Toggle raw display
$43$ \( (T^{4} - 8 T^{3} + \cdots + 1024)^{2} \) Copy content Toggle raw display
$47$ \( T^{8} - 76 T^{6} + \cdots + 14641 \) Copy content Toggle raw display
$53$ \( (T^{4} + 112 T^{2} + 1936)^{2} \) Copy content Toggle raw display
$59$ \( (T^{4} + 12 T^{3} + \cdots + 144)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} - 10 T + 100)^{4} \) Copy content Toggle raw display
$67$ \( T^{8} - 156 T^{6} + \cdots + 18974736 \) Copy content Toggle raw display
$71$ \( (T^{4} + 268 T^{2} + 11881)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} - 16 T + 37)^{4} \) Copy content Toggle raw display
$79$ \( T^{8} - 252 T^{6} + \cdots + 96059601 \) Copy content Toggle raw display
$83$ \( (T^{4} + 12 T^{3} + \cdots + 576)^{2} \) Copy content Toggle raw display
$89$ \( (T^{4} + 208 T^{2} + 8464)^{2} \) Copy content Toggle raw display
$97$ \( T^{8} - 336 T^{6} + \cdots + 303595776 \) Copy content Toggle raw display
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