Properties

Label 2-1680-105.104-c1-0-33
Degree $2$
Conductor $1680$
Sign $0.338 - 0.940i$
Analytic cond. $13.4148$
Root an. cond. $3.66263$
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  + (−1.62 − 0.586i)3-s + 2.23i·5-s + 2.64·7-s + (2.31 + 1.91i)9-s + 0.359i·11-s + 4.48·13-s + (1.31 − 3.64i)15-s + 7.99i·17-s + (−4.31 − 1.55i)21-s − 5.00·25-s + (−2.64 − 4.47i)27-s − 10.7i·29-s + (0.211 − 0.586i)33-s + 5.91i·35-s + (−7.31 − 2.63i)39-s + ⋯
L(s)  = 1  + (−0.940 − 0.338i)3-s + 0.999i·5-s + 0.999·7-s + (0.770 + 0.637i)9-s + 0.108i·11-s + 1.24·13-s + (0.338 − 0.940i)15-s + 1.93i·17-s + (−0.940 − 0.338i)21-s − 1.00·25-s + (−0.509 − 0.860i)27-s − 1.99i·29-s + (0.0367 − 0.102i)33-s + 0.999i·35-s + (−1.17 − 0.421i)39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.338 - 0.940i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1680 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.338 - 0.940i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1680\)    =    \(2^{4} \cdot 3 \cdot 5 \cdot 7\)
Sign: $0.338 - 0.940i$
Analytic conductor: \(13.4148\)
Root analytic conductor: \(3.66263\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1680} (209, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1680,\ (\ :1/2),\ 0.338 - 0.940i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.394117358\)
\(L(\frac12)\) \(\approx\) \(1.394117358\)
\(L(\frac{3}{2})\) 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 \( 1 + (1.62 + 0.586i)T \)
5 \( 1 - 2.23iT \)
7 \( 1 - 2.64T \)
good11 \( 1 - 0.359iT - 11T^{2} \)
13 \( 1 - 4.48T + 13T^{2} \)
17 \( 1 - 7.99iT - 17T^{2} \)
19 \( 1 - 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 + 10.7iT - 29T^{2} \)
31 \( 1 - 31T^{2} \)
37 \( 1 - 37T^{2} \)
41 \( 1 + 41T^{2} \)
43 \( 1 - 43T^{2} \)
47 \( 1 - 12.4iT - 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 + 59T^{2} \)
61 \( 1 - 61T^{2} \)
67 \( 1 - 67T^{2} \)
71 \( 1 - 11.8iT - 71T^{2} \)
73 \( 1 - 10.5T + 73T^{2} \)
79 \( 1 + 15.8T + 79T^{2} \)
83 \( 1 - 8.94iT - 83T^{2} \)
89 \( 1 + 89T^{2} \)
97 \( 1 + 15.0T + 97T^{2} \)
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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

−9.785666255179660013695067362209, −8.375502337729520389366967129928, −7.941319470631330520162094101987, −7.03161451922476469159759385601, −5.99619377427581646602259551416, −5.92391883081966650039530759261, −4.46234561367333301816584611014, −3.80094652073976026407855235833, −2.25283823559362103658619148274, −1.30090949905488026395656000039, 0.69504470409658723085314324581, 1.65256626768934331583023690861, 3.43031792646757550613845348286, 4.48702081439393629386599658987, 5.11693807179973928840146856814, 5.63210393914303154145519589805, 6.76893549291969135575713998311, 7.56357172961317304740932204298, 8.656191627159801339178922824958, 9.047872721127674255582820596296

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