Properties

Label 1-631-631.630-r1-0-0
Degree $1$
Conductor $631$
Sign $1$
Analytic cond. $67.8103$
Root an. cond. $67.8103$
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 + 17-s + 18-s − 19-s + 20-s + 21-s − 22-s + 23-s − 24-s + 25-s − 26-s − 27-s − 28-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 + 17-s + 18-s − 19-s + 20-s + 21-s − 22-s + 23-s − 24-s + 25-s − 26-s − 27-s − 28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 631 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 631 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(631\)
Sign: $1$
Analytic conductor: \(67.8103\)
Root analytic conductor: \(67.8103\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{631} (630, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 631,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(3.127302348\)
\(L(\frac12)\) \(\approx\) \(3.127302348\)
\(L(1)\) \(\approx\) \(1.625842774\)
\(L(1)\) \(\approx\) \(1.625842774\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad631 \( 1 \)
good2 \( 1 + T \)
3 \( 1 - T \)
5 \( 1 + T \)
7 \( 1 - T \)
11 \( 1 - T \)
13 \( 1 - T \)
17 \( 1 + T \)
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 \( 1 + T \)
97 \( 1 + T \)
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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

−22.87365772070175556778551084186, −21.93529760885686915589934925048, −21.34174872673127338880339923704, −20.784593047733220160024707084929, −19.35146585910739051247907166795, −18.766708206373426251259509619209, −17.38208650643486769956848021799, −16.97134396591526479730190820659, −16.03875323999791534563669397474, −15.339909449241916412605389024285, −14.22320222706348072641814419295, −13.32554525753380880684914008123, −12.56496541679654886514215158334, −12.22840083144502334959372867798, −10.68172016498179100807754309824, −10.37995525098026001984383888753, −9.43337071381404016261148443494, −7.65843824997991087341238807444, −6.71995670949513943076103968203, −6.06406608681739157690291022903, −5.267034593544418441600269624211, −4.56040741156009783488823739622, −3.08491006324326659680591562107, −2.25609249844910983310915838122, −0.81215409254204030728460761450, 0.81215409254204030728460761450, 2.25609249844910983310915838122, 3.08491006324326659680591562107, 4.56040741156009783488823739622, 5.267034593544418441600269624211, 6.06406608681739157690291022903, 6.71995670949513943076103968203, 7.65843824997991087341238807444, 9.43337071381404016261148443494, 10.37995525098026001984383888753, 10.68172016498179100807754309824, 12.22840083144502334959372867798, 12.56496541679654886514215158334, 13.32554525753380880684914008123, 14.22320222706348072641814419295, 15.339909449241916412605389024285, 16.03875323999791534563669397474, 16.97134396591526479730190820659, 17.38208650643486769956848021799, 18.766708206373426251259509619209, 19.35146585910739051247907166795, 20.784593047733220160024707084929, 21.34174872673127338880339923704, 21.93529760885686915589934925048, 22.87365772070175556778551084186

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