Properties

Label 1560.4.a.k
Level $1560$
Weight $4$
Character orbit 1560.a
Self dual yes
Analytic conductor $92.043$
Analytic rank $1$
Dimension $3$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1560,4,Mod(1,1560)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1560, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 0, 0]))
 
N = Newforms(chi, 4, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1560.1");
 
S:= CuspForms(chi, 4);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1560 = 2^{3} \cdot 3 \cdot 5 \cdot 13 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1560.a (trivial)

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: yes
Analytic conductor: \(92.0429796090\)
Analytic rank: \(1\)
Dimension: \(3\)
Coefficient field: 3.3.18257.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 26x + 8 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{17}]\)
Coefficient ring index: \( 2 \)
Twist minimal: yes
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-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 \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + 3 q^{3} + 5 q^{5} + (\beta_{2} + \beta_1 - 5) q^{7} + 9 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + 3 q^{3} + 5 q^{5} + (\beta_{2} + \beta_1 - 5) q^{7} + 9 q^{9} + ( - 2 \beta_{2} - 5 \beta_1 - 12) q^{11} - 13 q^{13} + 15 q^{15} + ( - 5 \beta_1 - 22) q^{17} + ( - 2 \beta_{2} + 16 \beta_1 - 16) q^{19} + (3 \beta_{2} + 3 \beta_1 - 15) q^{21} + (4 \beta_{2} + 3 \beta_1 - 4) q^{23} + 25 q^{25} + 27 q^{27} + ( - 7 \beta_{2} + 22 \beta_1 + 7) q^{29} + ( - \beta_{2} - 42 \beta_1 - 3) q^{31} + ( - 6 \beta_{2} - 15 \beta_1 - 36) q^{33} + (5 \beta_{2} + 5 \beta_1 - 25) q^{35} + ( - 3 \beta_{2} + \beta_1 - 97) q^{37} - 39 q^{39} + (17 \beta_{2} + 21 \beta_1 - 161) q^{41} + ( - 2 \beta_{2} + 4 \beta_1 - 90) q^{43} + 45 q^{45} + ( - 17 \beta_{2} + 70 \beta_1 - 47) q^{47} + ( - 17 \beta_{2} + \beta_1 - 156) q^{49} + ( - 15 \beta_1 - 66) q^{51} + ( - 9 \beta_{2} - 31 \beta_1 - 195) q^{53} + ( - 10 \beta_{2} - 25 \beta_1 - 60) q^{55} + ( - 6 \beta_{2} + 48 \beta_1 - 48) q^{57} + (29 \beta_{2} - 32 \beta_1 - 125) q^{59} + (13 \beta_{2} - 93 \beta_1 - 245) q^{61} + (9 \beta_{2} + 9 \beta_1 - 45) q^{63} - 65 q^{65} + ( - 31 \beta_{2} - 120 \beta_1 + 235) q^{67} + (12 \beta_{2} + 9 \beta_1 - 12) q^{69} + ( - 30 \beta_{2} - 13 \beta_1 - 204) q^{71} + ( - 27 \beta_{2} - 50 \beta_1 - 221) q^{73} + 75 q^{75} + (9 \beta_{2} - 39 \beta_1 - 291) q^{77} + (21 \beta_{2} + 73 \beta_1 - 191) q^{79} + 81 q^{81} + (17 \beta_{2} + 44 \beta_1 + 47) q^{83} + ( - 25 \beta_1 - 110) q^{85} + ( - 21 \beta_{2} + 66 \beta_1 + 21) q^{87} + (77 \beta_{2} + 23 \beta_1 - 269) q^{89} + ( - 13 \beta_{2} - 13 \beta_1 + 65) q^{91} + ( - 3 \beta_{2} - 126 \beta_1 - 9) q^{93} + ( - 10 \beta_{2} + 80 \beta_1 - 80) q^{95} + (18 \beta_{2} + 193 \beta_1 - 96) q^{97} + ( - 18 \beta_{2} - 45 \beta_1 - 108) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q + 9 q^{3} + 15 q^{5} - 13 q^{7} + 27 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 3 q + 9 q^{3} + 15 q^{5} - 13 q^{7} + 27 q^{9} - 43 q^{11} - 39 q^{13} + 45 q^{15} - 71 q^{17} - 34 q^{19} - 39 q^{21} - 5 q^{23} + 75 q^{25} + 81 q^{27} + 36 q^{29} - 52 q^{31} - 129 q^{33} - 65 q^{35} - 293 q^{37} - 117 q^{39} - 445 q^{41} - 268 q^{43} + 135 q^{45} - 88 q^{47} - 484 q^{49} - 213 q^{51} - 625 q^{53} - 215 q^{55} - 102 q^{57} - 378 q^{59} - 815 q^{61} - 117 q^{63} - 195 q^{65} + 554 q^{67} - 15 q^{69} - 655 q^{71} - 740 q^{73} + 225 q^{75} - 903 q^{77} - 479 q^{79} + 243 q^{81} + 202 q^{83} - 355 q^{85} + 108 q^{87} - 707 q^{89} + 169 q^{91} - 156 q^{93} - 170 q^{95} - 77 q^{97} - 387 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 26x + 8 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - \nu - 17 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + \beta _1 + 17 \) Copy content Toggle raw display

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
0.305203
−4.78415
5.47894
0 3.00000 0 5.00000 0 −21.9069 0 9.00000 0
1.2 0 3.00000 0 5.00000 0 0.888045 0 9.00000 0
1.3 0 3.00000 0 5.00000 0 8.01881 0 9.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(3\) \(-1\)
\(5\) \(-1\)
\(13\) \(1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1560.4.a.k 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1560.4.a.k 3 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{3} + 13T_{7}^{2} - 188T_{7} + 156 \) acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(1560))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{3} \) Copy content Toggle raw display
$3$ \( (T - 3)^{3} \) Copy content Toggle raw display
$5$ \( (T - 5)^{3} \) Copy content Toggle raw display
$7$ \( T^{3} + 13 T^{2} + \cdots + 156 \) Copy content Toggle raw display
$11$ \( T^{3} + 43 T^{2} + \cdots - 10728 \) Copy content Toggle raw display
$13$ \( (T + 13)^{3} \) Copy content Toggle raw display
$17$ \( T^{3} + 71 T^{2} + \cdots - 2232 \) Copy content Toggle raw display
$19$ \( T^{3} + 34 T^{2} + \cdots + 150200 \) Copy content Toggle raw display
$23$ \( T^{3} + 5 T^{2} + \cdots + 74568 \) Copy content Toggle raw display
$29$ \( T^{3} - 36 T^{2} + \cdots + 1735168 \) Copy content Toggle raw display
$31$ \( T^{3} + 52 T^{2} + \cdots + 62800 \) Copy content Toggle raw display
$37$ \( T^{3} + 293 T^{2} + \cdots + 688140 \) Copy content Toggle raw display
$41$ \( T^{3} + 445 T^{2} + \cdots - 2943492 \) Copy content Toggle raw display
$43$ \( T^{3} + 268 T^{2} + \cdots + 589824 \) Copy content Toggle raw display
$47$ \( T^{3} + 88 T^{2} + \cdots + 31333152 \) Copy content Toggle raw display
$53$ \( T^{3} + 625 T^{2} + \cdots + 3060628 \) Copy content Toggle raw display
$59$ \( T^{3} + 378 T^{2} + \cdots - 17477504 \) Copy content Toggle raw display
$61$ \( T^{3} + 815 T^{2} + \cdots - 110534644 \) Copy content Toggle raw display
$67$ \( T^{3} - 554 T^{2} + \cdots + 229713600 \) Copy content Toggle raw display
$71$ \( T^{3} + 655 T^{2} + \cdots - 71437280 \) Copy content Toggle raw display
$73$ \( T^{3} + 740 T^{2} + \cdots - 43079584 \) Copy content Toggle raw display
$79$ \( T^{3} + 479 T^{2} + \cdots - 61560160 \) Copy content Toggle raw display
$83$ \( T^{3} - 202 T^{2} + \cdots + 1732320 \) Copy content Toggle raw display
$89$ \( T^{3} + 707 T^{2} + \cdots + 307507948 \) Copy content Toggle raw display
$97$ \( T^{3} + 77 T^{2} + \cdots - 314861440 \) Copy content Toggle raw display
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