Properties

Label 1260.4.s.d
Level $1260$
Weight $4$
Character orbit 1260.s
Analytic conductor $74.342$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1260,4,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, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1260.361");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1260 = 2^{2} \cdot 3^{2} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 4 \)
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: \(74.3424066072\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{3})\)
Coefficient field: \(\Q(\sqrt{-3}, \sqrt{37})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} + 10x^{2} + 9x + 81 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 2^{2} \)
Twist minimal: no (minimal twist has level 140)
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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - 5 \beta_1 q^{5} + ( - \beta_{3} - 3 \beta_{2} + \cdots + 10) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q - 5 \beta_1 q^{5} + ( - \beta_{3} - 3 \beta_{2} + \cdots + 10) q^{7}+ \cdots + (224 \beta_{3} + 150) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 10 q^{5} + 36 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 10 q^{5} + 36 q^{7} - 48 q^{11} - 104 q^{13} + 124 q^{17} - 156 q^{19} + 92 q^{23} - 50 q^{25} + 292 q^{29} + 116 q^{31} - 120 q^{35} + 536 q^{37} - 580 q^{41} + 448 q^{43} - 944 q^{47} - 650 q^{49} - 232 q^{53} + 480 q^{55} + 244 q^{59} + 402 q^{61} + 260 q^{65} - 144 q^{67} + 168 q^{71} - 1244 q^{73} + 452 q^{77} + 1412 q^{79} - 1776 q^{83} - 1240 q^{85} - 1566 q^{89} - 1380 q^{91} - 780 q^{95} + 600 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - x^{3} + 10x^{2} + 9x + 81 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{3} + 10\nu^{2} - 10\nu + 81 ) / 90 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{3} - 10\nu^{2} + 190\nu - 81 ) / 90 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{3} + 14 ) / 5 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{2} + \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} + \beta_{2} + 19\beta _1 - 19 ) / 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 5\beta_{3} - 14 \) Copy content Toggle raw display

Character values

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

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

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
361.1
1.77069 + 3.06693i
−1.27069 2.20090i
1.77069 3.06693i
−1.27069 + 2.20090i
0 0 0 −2.50000 4.33013i 0 5.95862 17.5355i 0 0 0
361.2 0 0 0 −2.50000 4.33013i 0 12.0414 + 14.0714i 0 0 0
541.1 0 0 0 −2.50000 + 4.33013i 0 5.95862 + 17.5355i 0 0 0
541.2 0 0 0 −2.50000 + 4.33013i 0 12.0414 14.0714i 0 0 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
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 1260.4.s.d 4
3.b odd 2 1 140.4.i.d 4
7.c even 3 1 inner 1260.4.s.d 4
12.b even 2 1 560.4.q.k 4
15.d odd 2 1 700.4.i.f 4
15.e even 4 2 700.4.r.e 8
21.c even 2 1 980.4.i.u 4
21.g even 6 1 980.4.a.r 2
21.g even 6 1 980.4.i.u 4
21.h odd 6 1 140.4.i.d 4
21.h odd 6 1 980.4.a.q 2
84.n even 6 1 560.4.q.k 4
105.o odd 6 1 700.4.i.f 4
105.x even 12 2 700.4.r.e 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
140.4.i.d 4 3.b odd 2 1
140.4.i.d 4 21.h odd 6 1
560.4.q.k 4 12.b even 2 1
560.4.q.k 4 84.n even 6 1
700.4.i.f 4 15.d odd 2 1
700.4.i.f 4 105.o odd 6 1
700.4.r.e 8 15.e even 4 2
700.4.r.e 8 105.x even 12 2
980.4.a.q 2 21.h odd 6 1
980.4.a.r 2 21.g even 6 1
980.4.i.u 4 21.c even 2 1
980.4.i.u 4 21.g even 6 1
1260.4.s.d 4 1.a even 1 1 trivial
1260.4.s.d 4 7.c even 3 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{11}^{4} + 48T_{11}^{3} + 1876T_{11}^{2} + 20544T_{11} + 183184 \) acting on \(S_{4}^{\mathrm{new}}(1260, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( (T^{2} + 5 T + 25)^{2} \) Copy content Toggle raw display
$7$ \( T^{4} - 36 T^{3} + \cdots + 117649 \) Copy content Toggle raw display
$11$ \( T^{4} + 48 T^{3} + \cdots + 183184 \) Copy content Toggle raw display
$13$ \( (T^{2} + 52 T - 656)^{2} \) Copy content Toggle raw display
$17$ \( T^{4} - 124 T^{3} + \cdots + 6310144 \) Copy content Toggle raw display
$19$ \( T^{4} + 156 T^{3} + \cdots + 13808656 \) Copy content Toggle raw display
$23$ \( T^{4} - 92 T^{3} + \cdots + 3179089 \) Copy content Toggle raw display
$29$ \( (T^{2} - 146 T + 5181)^{2} \) Copy content Toggle raw display
$31$ \( T^{4} - 116 T^{3} + \cdots + 10342656 \) Copy content Toggle raw display
$37$ \( T^{4} + \cdots + 4824135936 \) Copy content Toggle raw display
$41$ \( (T^{2} + 290 T - 79023)^{2} \) Copy content Toggle raw display
$43$ \( (T^{2} - 224 T - 10581)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} + \cdots + 43257344256 \) Copy content Toggle raw display
$53$ \( T^{4} + \cdots + 16582227984 \) Copy content Toggle raw display
$59$ \( T^{4} + \cdots + 88973344656 \) Copy content Toggle raw display
$61$ \( T^{4} + \cdots + 1098856201 \) Copy content Toggle raw display
$67$ \( T^{4} + \cdots + 75552967161 \) Copy content Toggle raw display
$71$ \( (T^{2} - 84 T - 114268)^{2} \) Copy content Toggle raw display
$73$ \( T^{4} + \cdots + 125021645056 \) Copy content Toggle raw display
$79$ \( T^{4} + \cdots + 212104460304 \) Copy content Toggle raw display
$83$ \( (T^{2} + 888 T - 122877)^{2} \) Copy content Toggle raw display
$89$ \( T^{4} + \cdots + 141593411521 \) Copy content Toggle raw display
$97$ \( (T^{2} - 300 T - 1834012)^{2} \) Copy content Toggle raw display
show more
show less