Properties

Label 1-1649-1649.1648-r0-0-0
Degree $1$
Conductor $1649$
Sign $1$
Analytic cond. $7.65792$
Root an. cond. $7.65792$
Motivic weight $0$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 3-s + 4-s + 5-s − 6-s + 7-s + 8-s + 9-s + 10-s − 11-s − 12-s − 13-s + 14-s − 15-s + 16-s + 18-s − 19-s + 20-s − 21-s − 22-s + 23-s − 24-s + 25-s − 26-s − 27-s + 28-s + 29-s + ⋯
L(s)  = 1  + 2-s − 3-s + 4-s + 5-s − 6-s + 7-s + 8-s + 9-s + 10-s − 11-s − 12-s − 13-s + 14-s − 15-s + 16-s + 18-s − 19-s + 20-s − 21-s − 22-s + 23-s − 24-s + 25-s − 26-s − 27-s + 28-s + 29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1649 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1649 ^{s/2} \, \Gamma_{\R}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(1649\)    =    \(17 \cdot 97\)
Sign: $1$
Analytic conductor: \(7.65792\)
Root analytic conductor: \(7.65792\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{1649} (1648, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 1649,\ (0:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(3.057845273\)
\(L(\frac12)\) \(\approx\) \(3.057845273\)
\(L(1)\) \(\approx\) \(1.891118950\)
\(L(1)\) \(\approx\) \(1.891118950\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad17 \( 1 \)
97 \( 1 \)
good2 \( 1 + T \)
3 \( 1 - T \)
5 \( 1 + T \)
7 \( 1 + T \)
11 \( 1 - T \)
13 \( 1 - T \)
19 \( 1 - T \)
23 \( 1 + T \)
29 \( 1 + T \)
31 \( 1 - T \)
37 \( 1 + T \)
41 \( 1 + T \)
43 \( 1 + T \)
47 \( 1 + T \)
53 \( 1 + T \)
59 \( 1 - T \)
61 \( 1 - T \)
67 \( 1 - T \)
71 \( 1 + T \)
73 \( 1 - T \)
79 \( 1 - T \)
83 \( 1 - T \)
89 \( 1 + T \)
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   \(L(s) = \displaystyle\prod_p \ (1 - \alpha_{p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−20.881087712593615372348791328636, −19.87540411009471004248458742799, −18.76637960855691357973020383489, −18.02564581903737052398634606318, −17.20797214392212696321329777824, −16.86819822797810638270615108385, −15.87500773406255154248051088919, −15.01741008119632907782564768230, −14.46172573593572293470023761319, −13.540057904128562299875737904577, −12.79215322085368953303199012008, −12.34632909061107823452616874028, −11.308958202349875533829390640083, −10.665922306443334509310795339278, −10.25150263972958641195074169308, −9.03697853751392250840577323801, −7.682628937728017083638385543497, −7.14303745644277691730756152308, −6.08898410563363402163609614712, −5.54906050397127472692108389263, −4.80315197644414282492808945003, −4.36721233826527012271580285453, −2.71927286955236157412507367140, −2.11508822236903876082764270367, −1.08050231074520278339965730781, 1.08050231074520278339965730781, 2.11508822236903876082764270367, 2.71927286955236157412507367140, 4.36721233826527012271580285453, 4.80315197644414282492808945003, 5.54906050397127472692108389263, 6.08898410563363402163609614712, 7.14303745644277691730756152308, 7.682628937728017083638385543497, 9.03697853751392250840577323801, 10.25150263972958641195074169308, 10.665922306443334509310795339278, 11.308958202349875533829390640083, 12.34632909061107823452616874028, 12.79215322085368953303199012008, 13.540057904128562299875737904577, 14.46172573593572293470023761319, 15.01741008119632907782564768230, 15.87500773406255154248051088919, 16.86819822797810638270615108385, 17.20797214392212696321329777824, 18.02564581903737052398634606318, 18.76637960855691357973020383489, 19.87540411009471004248458742799, 20.881087712593615372348791328636

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