Properties

Label 2-336-21.5-c3-0-33
Degree $2$
Conductor $336$
Sign $-0.388 + 0.921i$
Analytic cond. $19.8246$
Root an. cond. $4.45248$
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  + (1.88 + 4.84i)3-s + (−3.20 + 5.55i)5-s + (−14.8 − 11.1i)7-s + (−19.8 + 18.2i)9-s + (16.2 − 9.39i)11-s + 3.82i·13-s + (−32.9 − 5.03i)15-s + (8.12 + 14.0i)17-s + (−129. − 74.9i)19-s + (25.8 − 92.6i)21-s + (−109. − 63.3i)23-s + (41.9 + 72.6i)25-s + (−126. − 61.6i)27-s − 168. i·29-s + (43.4 − 25.0i)31-s + ⋯
L(s)  = 1  + (0.363 + 0.931i)3-s + (−0.286 + 0.496i)5-s + (−0.799 − 0.600i)7-s + (−0.735 + 0.676i)9-s + (0.446 − 0.257i)11-s + 0.0816i·13-s + (−0.567 − 0.0867i)15-s + (0.115 + 0.200i)17-s + (−1.56 − 0.904i)19-s + (0.268 − 0.963i)21-s + (−0.994 − 0.573i)23-s + (0.335 + 0.581i)25-s + (−0.898 − 0.439i)27-s − 1.07i·29-s + (0.251 − 0.145i)31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 336 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.388 + 0.921i)\, \overline{\Lambda}(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 336 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & (-0.388 + 0.921i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(336\)    =    \(2^{4} \cdot 3 \cdot 7\)
Sign: $-0.388 + 0.921i$
Analytic conductor: \(19.8246\)
Root analytic conductor: \(4.45248\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: $\chi_{336} (257, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 336,\ (\ :3/2),\ -0.388 + 0.921i)\)

Particular Values

\(L(2)\) \(\approx\) \(0.2388983951\)
\(L(\frac12)\) \(\approx\) \(0.2388983951\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 + (-1.88 - 4.84i)T \)
7 \( 1 + (14.8 + 11.1i)T \)
good5 \( 1 + (3.20 - 5.55i)T + (-62.5 - 108. i)T^{2} \)
11 \( 1 + (-16.2 + 9.39i)T + (665.5 - 1.15e3i)T^{2} \)
13 \( 1 - 3.82iT - 2.19e3T^{2} \)
17 \( 1 + (-8.12 - 14.0i)T + (-2.45e3 + 4.25e3i)T^{2} \)
19 \( 1 + (129. + 74.9i)T + (3.42e3 + 5.94e3i)T^{2} \)
23 \( 1 + (109. + 63.3i)T + (6.08e3 + 1.05e4i)T^{2} \)
29 \( 1 + 168. iT - 2.43e4T^{2} \)
31 \( 1 + (-43.4 + 25.0i)T + (1.48e4 - 2.57e4i)T^{2} \)
37 \( 1 + (-24.7 + 42.8i)T + (-2.53e4 - 4.38e4i)T^{2} \)
41 \( 1 - 19.9T + 6.89e4T^{2} \)
43 \( 1 + 5.14T + 7.95e4T^{2} \)
47 \( 1 + (-308. + 534. i)T + (-5.19e4 - 8.99e4i)T^{2} \)
53 \( 1 + (242. - 140. i)T + (7.44e4 - 1.28e5i)T^{2} \)
59 \( 1 + (274. + 475. i)T + (-1.02e5 + 1.77e5i)T^{2} \)
61 \( 1 + (507. + 293. i)T + (1.13e5 + 1.96e5i)T^{2} \)
67 \( 1 + (-378. - 655. i)T + (-1.50e5 + 2.60e5i)T^{2} \)
71 \( 1 + 351. iT - 3.57e5T^{2} \)
73 \( 1 + (530. - 306. i)T + (1.94e5 - 3.36e5i)T^{2} \)
79 \( 1 + (505. - 876. i)T + (-2.46e5 - 4.26e5i)T^{2} \)
83 \( 1 + 1.01e3T + 5.71e5T^{2} \)
89 \( 1 + (178. - 309. i)T + (-3.52e5 - 6.10e5i)T^{2} \)
97 \( 1 + 228. iT - 9.12e5T^{2} \)
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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

−10.69800877010746628852667819398, −10.00173418719474756286122877592, −9.065343583683518948203060664912, −8.150787009289183903727900029400, −6.92128657113757504262327636109, −5.99876333894754682602668064701, −4.41610457171059102633407905149, −3.70831644502641829727195589206, −2.51854263445196633433353309479, −0.07786349477621435097713566220, 1.58572890752706114510013874404, 2.91473633007424643269969868993, 4.21214816277492874832209066235, 5.84086651002982286430939832830, 6.54065683536998717286528191688, 7.69969696699191949517726218473, 8.596084778896506144198972930299, 9.281550040724017761890735549920, 10.44528378374672615126211983163, 11.81668708824047869719167282488

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