Properties

Label 2-87-29.16-c3-0-4
Degree $2$
Conductor $87$
Sign $0.853 - 0.520i$
Analytic cond. $5.13316$
Root an. cond. $2.26564$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (−3.66 − 1.76i)2-s + (1.87 − 2.34i)3-s + (5.31 + 6.66i)4-s + (5.42 + 2.61i)5-s + (−10.9 + 5.29i)6-s + (−16.6 + 20.8i)7-s + (−0.477 − 2.09i)8-s + (−2.00 − 8.77i)9-s + (−15.2 − 19.1i)10-s + (2.60 − 11.3i)11-s + 25.5·12-s + (−19.2 + 84.5i)13-s + (97.9 − 47.1i)14-s + (16.2 − 7.83i)15-s + (13.2 − 58.0i)16-s + 83.2·17-s + ⋯
L(s)  = 1  + (−1.29 − 0.623i)2-s + (0.359 − 0.451i)3-s + (0.664 + 0.833i)4-s + (0.485 + 0.233i)5-s + (−0.747 + 0.360i)6-s + (−0.899 + 1.12i)7-s + (−0.0211 − 0.0924i)8-s + (−0.0741 − 0.324i)9-s + (−0.482 − 0.605i)10-s + (0.0712 − 0.312i)11-s + 0.615·12-s + (−0.411 + 1.80i)13-s + (1.86 − 0.900i)14-s + (0.280 − 0.134i)15-s + (0.206 − 0.906i)16-s + 1.18·17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 87 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.853 - 0.520i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 87 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (0.853 - 0.520i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(87\)    =    \(3 \cdot 29\)
Sign: $0.853 - 0.520i$
Analytic conductor: \(5.13316\)
Root analytic conductor: \(2.26564\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{87} (16, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 87,\ (\ :3/2),\ 0.853 - 0.520i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.714001 + 0.200556i\)
\(L(\frac12)\) \(\approx\) \(0.714001 + 0.200556i\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + (-1.87 + 2.34i)T \)
29 \( 1 + (96.9 - 122. i)T \)
good2 \( 1 + (3.66 + 1.76i)T + (4.98 + 6.25i)T^{2} \)
5 \( 1 + (-5.42 - 2.61i)T + (77.9 + 97.7i)T^{2} \)
7 \( 1 + (16.6 - 20.8i)T + (-76.3 - 334. i)T^{2} \)
11 \( 1 + (-2.60 + 11.3i)T + (-1.19e3 - 577. i)T^{2} \)
13 \( 1 + (19.2 - 84.5i)T + (-1.97e3 - 953. i)T^{2} \)
17 \( 1 - 83.2T + 4.91e3T^{2} \)
19 \( 1 + (-75.0 - 94.1i)T + (-1.52e3 + 6.68e3i)T^{2} \)
23 \( 1 + (-72.4 + 34.8i)T + (7.58e3 - 9.51e3i)T^{2} \)
31 \( 1 + (29.0 + 13.9i)T + (1.85e4 + 2.32e4i)T^{2} \)
37 \( 1 + (-55.7 - 244. i)T + (-4.56e4 + 2.19e4i)T^{2} \)
41 \( 1 + 325.T + 6.89e4T^{2} \)
43 \( 1 + (-157. + 75.8i)T + (4.95e4 - 6.21e4i)T^{2} \)
47 \( 1 + (-8.02 + 35.1i)T + (-9.35e4 - 4.50e4i)T^{2} \)
53 \( 1 + (-411. - 198. i)T + (9.28e4 + 1.16e5i)T^{2} \)
59 \( 1 + 218.T + 2.05e5T^{2} \)
61 \( 1 + (321. - 403. i)T + (-5.05e4 - 2.21e5i)T^{2} \)
67 \( 1 + (-134. - 588. i)T + (-2.70e5 + 1.30e5i)T^{2} \)
71 \( 1 + (52.0 - 228. i)T + (-3.22e5 - 1.55e5i)T^{2} \)
73 \( 1 + (-317. + 152. i)T + (2.42e5 - 3.04e5i)T^{2} \)
79 \( 1 + (187. + 820. i)T + (-4.44e5 + 2.13e5i)T^{2} \)
83 \( 1 + (521. + 654. i)T + (-1.27e5 + 5.57e5i)T^{2} \)
89 \( 1 + (329. + 158. i)T + (4.39e5 + 5.51e5i)T^{2} \)
97 \( 1 + (-173. - 217. i)T + (-2.03e5 + 8.89e5i)T^{2} \)
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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

−13.81044993219237301904476201134, −12.25876515191606886595605301811, −11.71966309571712397230513271027, −10.08504189370626500823243611048, −9.404183791693292561486962625881, −8.590055960993865088835626373234, −7.17405841851722769484033175360, −5.79976762905615130836598345808, −3.00637335406929655875083222628, −1.69424977175281343710933460745, 0.67626017841896644131533198988, 3.41224551420307675452950846515, 5.49717423552908046874367359174, 7.15750691304063249721210659348, 7.87171393259596281332867894968, 9.436257332424829080378485895368, 9.832718400026552036193590700441, 10.75761103885006424022715872116, 12.80902529059478312643298052363, 13.60386799917684741557293177751

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