Properties

Label 1260.2.s.g
Level $1260$
Weight $2$
Character orbit 1260.s
Analytic conductor $10.061$
Analytic rank $0$
Dimension $6$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1260,2,Mod(361,1260)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1260, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 4]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1260.361");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1260 = 2^{2} \cdot 3^{2} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1260.s (of order \(3\), 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: \(10.0611506547\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{3})\)
Coefficient field: 6.0.4406832.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - x^{5} + 6x^{4} + 7x^{3} + 24x^{2} + 5x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 3 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + (\beta_{3} - 1) q^{5} - \beta_{4} q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + (\beta_{3} - 1) q^{5} - \beta_{4} q^{7} + (\beta_{4} - \beta_{3} + \beta_{2} - \beta_1) q^{11} + ( - \beta_{5} + \beta_{4} - 2) q^{13} + (\beta_{5} + \beta_{4} + \cdots + \beta_{2}) q^{17}+ \cdots + ( - \beta_{5} + \beta_{4} + \beta_{2} + \cdots - 4) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 3 q^{5} - q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 3 q^{5} - q^{7} - 2 q^{11} - 10 q^{13} + 2 q^{17} - q^{19} + 6 q^{23} - 3 q^{25} - 24 q^{29} + 3 q^{31} - q^{35} + 9 q^{37} + 20 q^{41} - 2 q^{43} - 10 q^{47} - 3 q^{49} + 4 q^{53} + 4 q^{55} + 16 q^{59} - 2 q^{61} + 5 q^{65} + 5 q^{67} - 40 q^{71} + 15 q^{73} - 10 q^{77} + 13 q^{79} - 4 q^{83} - 4 q^{85} - 2 q^{89} - 37 q^{91} - q^{95} - 24 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - x^{5} + 6x^{4} + 7x^{3} + 24x^{2} + 5x + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -6\nu^{5} + 36\nu^{4} - 67\nu^{3} + 144\nu^{2} + 179\nu + 416 ) / 149 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -7\nu^{5} + 42\nu^{4} - 103\nu^{3} + 168\nu^{2} - 114\nu + 386 ) / 149 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 30\nu^{5} - 31\nu^{4} + 186\nu^{3} + 174\nu^{2} + 744\nu + 155 ) / 149 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( 88\nu^{5} - 81\nu^{4} + 486\nu^{3} + 719\nu^{2} + 2093\nu + 405 ) / 149 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 96\nu^{5} - 129\nu^{4} + 625\nu^{3} + 527\nu^{2} + 2053\nu + 49 ) / 149 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( -\beta_{5} + \beta_{4} - 2\beta_{2} + \beta_1 ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{5} - 3\beta_{3} + \beta_1 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 13\beta_{5} - 13\beta_{4} + 8\beta_{2} + 8\beta _1 - 12 ) / 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 2\beta_{5} - 8\beta_{4} + 19\beta_{3} + 10\beta_{2} - 2\beta _1 - 19 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( -67\beta_{5} + 31\beta_{4} + 126\beta_{3} + 31\beta_{2} - 98\beta_1 ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1260\mathbb{Z}\right)^\times\).

\(n\) \(281\) \(631\) \(757\) \(1081\)
\(\chi(n)\) \(1\) \(1\) \(1\) \(-1 + \beta_{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
361.1
1.43310 + 2.48220i
−0.105378 0.182520i
−0.827721 1.43366i
1.43310 2.48220i
−0.105378 + 0.182520i
−0.827721 + 1.43366i
0 0 0 −0.500000 0.866025i 0 −1.69175 2.03420i 0 0 0
361.2 0 0 0 −0.500000 0.866025i 0 −1.16166 + 2.37709i 0 0 0
361.3 0 0 0 −0.500000 0.866025i 0 2.35341 1.20891i 0 0 0
541.1 0 0 0 −0.500000 + 0.866025i 0 −1.69175 + 2.03420i 0 0 0
541.2 0 0 0 −0.500000 + 0.866025i 0 −1.16166 2.37709i 0 0 0
541.3 0 0 0 −0.500000 + 0.866025i 0 2.35341 + 1.20891i 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 361.3
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
7.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1260.2.s.g 6
3.b odd 2 1 1260.2.s.h yes 6
7.c even 3 1 inner 1260.2.s.g 6
7.c even 3 1 8820.2.a.bq 3
7.d odd 6 1 8820.2.a.bo 3
21.g even 6 1 8820.2.a.bp 3
21.h odd 6 1 1260.2.s.h yes 6
21.h odd 6 1 8820.2.a.bn 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1260.2.s.g 6 1.a even 1 1 trivial
1260.2.s.g 6 7.c even 3 1 inner
1260.2.s.h yes 6 3.b odd 2 1
1260.2.s.h yes 6 21.h odd 6 1
8820.2.a.bn 3 21.h odd 6 1
8820.2.a.bo 3 7.d odd 6 1
8820.2.a.bp 3 21.g even 6 1
8820.2.a.bq 3 7.c even 3 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(1260, [\chi])\):

\( T_{11}^{6} + 2T_{11}^{5} + 22T_{11}^{4} - 72T_{11}^{3} + 288T_{11}^{2} - 324T_{11} + 324 \) Copy content Toggle raw display
\( T_{13}^{3} + 5T_{13}^{2} - 11T_{13} + 3 \) 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
$5$ \( (T^{2} + T + 1)^{3} \) Copy content Toggle raw display
$7$ \( T^{6} + T^{5} + \cdots + 343 \) Copy content Toggle raw display
$11$ \( T^{6} + 2 T^{5} + \cdots + 324 \) Copy content Toggle raw display
$13$ \( (T^{3} + 5 T^{2} - 11 T + 3)^{2} \) Copy content Toggle raw display
$17$ \( T^{6} - 2 T^{5} + \cdots + 324 \) Copy content Toggle raw display
$19$ \( T^{6} + T^{5} + \cdots + 441 \) Copy content Toggle raw display
$23$ \( T^{6} - 6 T^{5} + \cdots + 26244 \) Copy content Toggle raw display
$29$ \( (T^{3} + 12 T^{2} + \cdots - 378)^{2} \) Copy content Toggle raw display
$31$ \( (T^{2} - T + 1)^{3} \) Copy content Toggle raw display
$37$ \( T^{6} - 9 T^{5} + \cdots + 36481 \) Copy content Toggle raw display
$41$ \( (T^{3} - 10 T^{2} + \cdots + 774)^{2} \) Copy content Toggle raw display
$43$ \( (T^{3} + T^{2} - 25 T - 43)^{2} \) Copy content Toggle raw display
$47$ \( T^{6} + 10 T^{5} + \cdots + 5184 \) Copy content Toggle raw display
$53$ \( T^{6} - 4 T^{5} + \cdots + 20736 \) Copy content Toggle raw display
$59$ \( T^{6} - 16 T^{5} + \cdots + 324 \) Copy content Toggle raw display
$61$ \( T^{6} + 2 T^{5} + \cdots + 16 \) Copy content Toggle raw display
$67$ \( T^{6} - 5 T^{5} + \cdots + 9 \) Copy content Toggle raw display
$71$ \( (T^{3} + 20 T^{2} + \cdots + 198)^{2} \) Copy content Toggle raw display
$73$ \( T^{6} - 15 T^{5} + \cdots + 1681 \) Copy content Toggle raw display
$79$ \( T^{6} - 13 T^{5} + \cdots + 2111209 \) Copy content Toggle raw display
$83$ \( (T^{3} + 2 T^{2} + \cdots + 522)^{2} \) Copy content Toggle raw display
$89$ \( T^{6} + 2 T^{5} + \cdots + 15876 \) Copy content Toggle raw display
$97$ \( (T^{3} + 12 T^{2} + \cdots - 116)^{2} \) Copy content Toggle raw display
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