Properties

Label 2-87-29.7-c5-0-20
Degree $2$
Conductor $87$
Sign $0.979 + 0.202i$
Analytic cond. $13.9533$
Root an. cond. $3.73542$
Motivic weight $5$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (1.73 + 7.61i)2-s + (8.10 + 3.90i)3-s + (−26.1 + 12.5i)4-s + (−21.6 − 94.9i)5-s + (−15.6 + 68.5i)6-s + (−141. − 68.1i)7-s + (14.5 + 18.2i)8-s + (50.5 + 63.3i)9-s + (685. − 329. i)10-s + (331. − 416. i)11-s − 261.·12-s + (307. − 385. i)13-s + (273. − 1.19e3i)14-s + (195. − 854. i)15-s + (−692. + 868. i)16-s − 1.20e3·17-s + ⋯
L(s)  = 1  + (0.307 + 1.34i)2-s + (0.520 + 0.250i)3-s + (−0.816 + 0.393i)4-s + (−0.387 − 1.69i)5-s + (−0.177 + 0.777i)6-s + (−1.09 − 0.525i)7-s + (0.0804 + 0.100i)8-s + (0.207 + 0.260i)9-s + (2.16 − 1.04i)10-s + (0.827 − 1.03i)11-s − 0.523·12-s + (0.504 − 0.632i)13-s + (0.372 − 1.63i)14-s + (0.223 − 0.980i)15-s + (−0.676 + 0.848i)16-s − 1.00·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 87 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.979 + 0.202i)\, \overline{\Lambda}(6-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 87 ^{s/2} \, \Gamma_{\C}(s+5/2) \, L(s)\cr =\mathstrut & (0.979 + 0.202i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(87\)    =    \(3 \cdot 29\)
Sign: $0.979 + 0.202i$
Analytic conductor: \(13.9533\)
Root analytic conductor: \(3.73542\)
Motivic weight: \(5\)
Rational: no
Arithmetic: yes
Character: $\chi_{87} (7, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 87,\ (\ :5/2),\ 0.979 + 0.202i)\)

Particular Values

\(L(3)\) \(\approx\) \(1.92157 - 0.196986i\)
\(L(\frac12)\) \(\approx\) \(1.92157 - 0.196986i\)
\(L(\frac{7}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-8.10 - 3.90i)T \)
29 \( 1 + (1.86e3 - 4.12e3i)T \)
good2 \( 1 + (-1.73 - 7.61i)T + (-28.8 + 13.8i)T^{2} \)
5 \( 1 + (21.6 + 94.9i)T + (-2.81e3 + 1.35e3i)T^{2} \)
7 \( 1 + (141. + 68.1i)T + (1.04e4 + 1.31e4i)T^{2} \)
11 \( 1 + (-331. + 416. i)T + (-3.58e4 - 1.57e5i)T^{2} \)
13 \( 1 + (-307. + 385. i)T + (-8.26e4 - 3.61e5i)T^{2} \)
17 \( 1 + 1.20e3T + 1.41e6T^{2} \)
19 \( 1 + (-2.06e3 + 993. i)T + (1.54e6 - 1.93e6i)T^{2} \)
23 \( 1 + (-736. + 3.22e3i)T + (-5.79e6 - 2.79e6i)T^{2} \)
31 \( 1 + (-4.20 - 18.4i)T + (-2.57e7 + 1.24e7i)T^{2} \)
37 \( 1 + (8.49e3 + 1.06e4i)T + (-1.54e7 + 6.76e7i)T^{2} \)
41 \( 1 - 1.74e4T + 1.15e8T^{2} \)
43 \( 1 + (-1.40e3 + 6.15e3i)T + (-1.32e8 - 6.37e7i)T^{2} \)
47 \( 1 + (1.56e4 - 1.96e4i)T + (-5.10e7 - 2.23e8i)T^{2} \)
53 \( 1 + (-2.86e3 - 1.25e4i)T + (-3.76e8 + 1.81e8i)T^{2} \)
59 \( 1 - 2.64e4T + 7.14e8T^{2} \)
61 \( 1 + (1.86e4 + 8.98e3i)T + (5.26e8 + 6.60e8i)T^{2} \)
67 \( 1 + (403. + 506. i)T + (-3.00e8 + 1.31e9i)T^{2} \)
71 \( 1 + (7.62e3 - 9.55e3i)T + (-4.01e8 - 1.75e9i)T^{2} \)
73 \( 1 + (-9.92e3 + 4.34e4i)T + (-1.86e9 - 8.99e8i)T^{2} \)
79 \( 1 + (-1.11e4 - 1.39e4i)T + (-6.84e8 + 2.99e9i)T^{2} \)
83 \( 1 + (-5.11e4 + 2.46e4i)T + (2.45e9 - 3.07e9i)T^{2} \)
89 \( 1 + (-7.04e3 - 3.08e4i)T + (-5.03e9 + 2.42e9i)T^{2} \)
97 \( 1 + (-1.56e5 + 7.52e4i)T + (5.35e9 - 6.71e9i)T^{2} \)
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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

−13.38164718718737002714472995205, −12.69293638462836395078233303688, −11.01201690325796387019084865297, −9.130403790832831253253422558401, −8.715858819355142772205334668850, −7.44695248749170775085327637261, −6.13904389549240219628637175702, −4.87386154549808575154294483684, −3.68651706146448522357656502227, −0.68944349843357561520872324247, 1.92524760252129592153475265189, 3.10555006864053958593385117997, 3.87044536639504592555552389922, 6.50513695117059225139831391565, 7.30152593887674957313216075073, 9.400565837549969129654380273374, 10.01048465031955322344946757461, 11.39959924314715306734204415186, 11.89897197928585658685877993248, 13.17803236875061209865414829759

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