Properties

Label 1-71-71.70-r1-0-0
Degree $1$
Conductor $71$
Sign $1$
Analytic cond. $7.63000$
Root an. cond. $7.63000$
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

\[\begin{aligned}\Lambda(s)=\mathstrut & 71 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 71 ^{s/2} \, \Gamma_{\R}(s+1) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(1\)
Conductor: \(71\)
Sign: $1$
Analytic conductor: \(7.63000\)
Root analytic conductor: \(7.63000\)
Motivic weight: \(0\)
Rational: yes
Arithmetic: yes
Character: $\chi_{71} (70, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((1,\ 71,\ (1:\ ),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(4.103519213\)
\(L(\frac12)\) \(\approx\) \(4.103519213\)
\(L(1)\) \(\approx\) \(2.609869177\)
\(L(1)\) \(\approx\) \(2.609869177\)

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad71 \( 1 \)
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 \( 1 - T \)
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

−31.580496763404839077015148075897, −30.5667367046612922159597786796, −29.30063365876838953238927122884, −28.85034318546807265152895296853, −26.55428610706120910245589081450, −25.781022323353333227390685058355, −24.881327341465210261241708637335, −23.94052003187434134468456387017, −22.29323285862342181606200346449, −21.64819249454551935669004501804, −20.42359925551303459734122628552, −19.644436270149691799299472550432, −18.14418164274828099915935797125, −16.36111705724857734309410567016, −15.3876649212004167158047334910, −14.11267363061412232559542704023, −13.331983299432117302324992030021, −12.48005273655691524168692086390, −10.39998094941083720032644625035, −9.4619945689777965060402749771, −7.589853268223378404160937901117, −6.330337949316219785645225721908, −4.83691095115137534925409333274, −3.10856692743901130476400230901, −2.17958092383814282217169409664, 2.17958092383814282217169409664, 3.10856692743901130476400230901, 4.83691095115137534925409333274, 6.330337949316219785645225721908, 7.589853268223378404160937901117, 9.4619945689777965060402749771, 10.39998094941083720032644625035, 12.48005273655691524168692086390, 13.331983299432117302324992030021, 14.11267363061412232559542704023, 15.3876649212004167158047334910, 16.36111705724857734309410567016, 18.14418164274828099915935797125, 19.644436270149691799299472550432, 20.42359925551303459734122628552, 21.64819249454551935669004501804, 22.29323285862342181606200346449, 23.94052003187434134468456387017, 24.881327341465210261241708637335, 25.781022323353333227390685058355, 26.55428610706120910245589081450, 28.85034318546807265152895296853, 29.30063365876838953238927122884, 30.5667367046612922159597786796, 31.580496763404839077015148075897

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