Properties

Label 2-1560-5.4-c1-0-27
Degree $2$
Conductor $1560$
Sign $-0.730 + 0.683i$
Analytic cond. $12.4566$
Root an. cond. $3.52939$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  i·3-s + (−1.52 − 1.63i)5-s + 2.82i·7-s − 9-s + 1.05·11-s + i·13-s + (−1.63 + 1.52i)15-s − 7.14i·17-s + 6.61·19-s + 2.82·21-s − 3.49i·23-s + (−0.332 + 4.98i)25-s + i·27-s − 4.82·29-s − 9.65·31-s + ⋯
L(s)  = 1  − 0.577i·3-s + (−0.683 − 0.730i)5-s + 1.06i·7-s − 0.333·9-s + 0.318·11-s + 0.277i·13-s + (−0.421 + 0.394i)15-s − 1.73i·17-s + 1.51·19-s + 0.617·21-s − 0.728i·23-s + (−0.0664 + 0.997i)25-s + 0.192i·27-s − 0.896·29-s − 1.73·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.730 + 0.683i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1560 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.730 + 0.683i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1560\)    =    \(2^{3} \cdot 3 \cdot 5 \cdot 13\)
Sign: $-0.730 + 0.683i$
Analytic conductor: \(12.4566\)
Root analytic conductor: \(3.52939\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1560} (1249, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1560,\ (\ :1/2),\ -0.730 + 0.683i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9550322077\)
\(L(\frac12)\) \(\approx\) \(0.9550322077\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + iT \)
5 \( 1 + (1.52 + 1.63i)T \)
13 \( 1 - iT \)
good7 \( 1 - 2.82iT - 7T^{2} \)
11 \( 1 - 1.05T + 11T^{2} \)
17 \( 1 + 7.14iT - 17T^{2} \)
19 \( 1 - 6.61T + 19T^{2} \)
23 \( 1 + 3.49iT - 23T^{2} \)
29 \( 1 + 4.82T + 29T^{2} \)
31 \( 1 + 9.65T + 31T^{2} \)
37 \( 1 + 8.11iT - 37T^{2} \)
41 \( 1 + 3.26T + 41T^{2} \)
43 \( 1 + 7.44iT - 43T^{2} \)
47 \( 1 + 11.3iT - 47T^{2} \)
53 \( 1 - 4.53iT - 53T^{2} \)
59 \( 1 + 1.05T + 59T^{2} \)
61 \( 1 + 7.97T + 61T^{2} \)
67 \( 1 + 1.46iT - 67T^{2} \)
71 \( 1 - 0.845T + 71T^{2} \)
73 \( 1 - 9.28iT - 73T^{2} \)
79 \( 1 + 6.85T + 79T^{2} \)
83 \( 1 - 7.97iT - 83T^{2} \)
89 \( 1 + 0.139T + 89T^{2} \)
97 \( 1 - 6.93iT - 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−9.156104568986603209302720219421, −8.425710946399664626886374480693, −7.37007231997022738631708572556, −7.04954840687426190621186873936, −5.48064871745384040468291558309, −5.35596705605047348719435194932, −4.00893366238879081190730047983, −2.95070630284712838928064241125, −1.80870553736570180043334892549, −0.38663900231344167256825550283, 1.44414069329534204352416202408, 3.24556806492932409876295898900, 3.66406695562460104175869117850, 4.52569563168075717300980693446, 5.67388541697200259969377844397, 6.55499124339158334242006921669, 7.56611576862048301811739030771, 7.85919575176183854297966279715, 9.052056770082278679883030918496, 9.882398808848400501527937630329

Graph of the $Z$-function along the critical line