Properties

Label 2-668-668.667-c1-0-21
Degree $2$
Conductor $668$
Sign $-0.535 - 0.844i$
Analytic cond. $5.33400$
Root an. cond. $2.30954$
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  + (0.394 + 1.35i)2-s − 0.246i·3-s + (−1.68 + 1.07i)4-s + (0.335 − 0.0972i)6-s − 1.50i·7-s + (−2.12 − 1.87i)8-s + 2.93·9-s + 6.25i·11-s + (0.264 + 0.416i)12-s + (2.04 − 0.593i)14-s + (1.70 − 3.61i)16-s + (1.15 + 3.99i)18-s + 8.33i·19-s − 0.371·21-s + (−8.50 + 2.46i)22-s + ⋯
L(s)  = 1  + (0.278 + 0.960i)2-s − 0.142i·3-s + (−0.844 + 0.535i)4-s + (0.136 − 0.0397i)6-s − 0.569i·7-s + (−0.749 − 0.661i)8-s + 0.979·9-s + 1.88i·11-s + (0.0762 + 0.120i)12-s + (0.546 − 0.158i)14-s + (0.426 − 0.904i)16-s + (0.273 + 0.940i)18-s + 1.91i·19-s − 0.0810·21-s + (−1.81 + 0.526i)22-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 668 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.535 - 0.844i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 668 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.535 - 0.844i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(668\)    =    \(2^{2} \cdot 167\)
Sign: $-0.535 - 0.844i$
Analytic conductor: \(5.33400\)
Root analytic conductor: \(2.30954\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{668} (667, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 668,\ (\ :1/2),\ -0.535 - 0.844i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.731656 + 1.33038i\)
\(L(\frac12)\) \(\approx\) \(0.731656 + 1.33038i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-0.394 - 1.35i)T \)
167 \( 1 + 12.9iT \)
good3 \( 1 + 0.246iT - 3T^{2} \)
5 \( 1 - 5T^{2} \)
7 \( 1 + 1.50iT - 7T^{2} \)
11 \( 1 - 6.25iT - 11T^{2} \)
13 \( 1 - 13T^{2} \)
17 \( 1 - 17T^{2} \)
19 \( 1 - 8.33iT - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 + 7.12T + 29T^{2} \)
31 \( 1 - 8.65iT - 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 - 41T^{2} \)
43 \( 1 + 43T^{2} \)
47 \( 1 + 10.0iT - 47T^{2} \)
53 \( 1 - 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 + 3.54T + 61T^{2} \)
67 \( 1 + 67T^{2} \)
71 \( 1 + 71T^{2} \)
73 \( 1 - 73T^{2} \)
79 \( 1 + 79T^{2} \)
83 \( 1 + 83T^{2} \)
89 \( 1 - 10.4T + 89T^{2} \)
97 \( 1 - 13.3T + 97T^{2} \)
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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

−10.39747862359522993540433411242, −9.972146509598177969025439813386, −8.996716598875357085429901263036, −7.81514234949845255803318350238, −7.23912585299556245571292064350, −6.63672303541079836986072654004, −5.33483478433815181109780326291, −4.44141454973687728521619748164, −3.65877088955350178974357095955, −1.66936289729828131947408814971, 0.808198360027888243187490689079, 2.44866486334040534696167452570, 3.43611295655392651087365634236, 4.52317257088825890970746280029, 5.49157559621889575030254291213, 6.39539750509654645560848426561, 7.76421733523745926562411746465, 9.028558431741489499568680313247, 9.184289279802678988212840881735, 10.46610930048674285826660491163

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