Properties

Label 2-71-71.70-c0-0-0
Degree $2$
Conductor $71$
Sign $1$
Analytic cond. $0.0354336$
Root an. cond. $0.188238$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.80·2-s − 0.445·3-s + 2.24·4-s + 1.24·5-s + 0.801·6-s − 2.24·8-s − 0.801·9-s − 2.24·10-s − 12-s − 0.554·15-s + 1.80·16-s + 1.44·18-s − 1.80·19-s + 2.80·20-s + 1.00·24-s + 0.554·25-s + 0.801·27-s − 0.445·29-s + 0.999·30-s − 1.00·32-s − 1.80·36-s − 1.80·37-s + 3.24·38-s − 2.80·40-s + 1.24·43-s − 45-s − 0.801·48-s + ⋯
L(s)  = 1  − 1.80·2-s − 0.445·3-s + 2.24·4-s + 1.24·5-s + 0.801·6-s − 2.24·8-s − 0.801·9-s − 2.24·10-s − 12-s − 0.554·15-s + 1.80·16-s + 1.44·18-s − 1.80·19-s + 2.80·20-s + 1.00·24-s + 0.554·25-s + 0.801·27-s − 0.445·29-s + 0.999·30-s − 1.00·32-s − 1.80·36-s − 1.80·37-s + 3.24·38-s − 2.80·40-s + 1.24·43-s − 45-s − 0.801·48-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(71\)
Sign: $1$
Analytic conductor: \(0.0354336\)
Root analytic conductor: \(0.188238\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{71} (70, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 71,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.2523313857\)
\(L(\frac12)\) \(\approx\) \(0.2523313857\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad71 \( 1 - T \)
good2 \( 1 + 1.80T + T^{2} \)
3 \( 1 + 0.445T + T^{2} \)
5 \( 1 - 1.24T + T^{2} \)
7 \( 1 - T^{2} \)
11 \( 1 - T^{2} \)
13 \( 1 - T^{2} \)
17 \( 1 - T^{2} \)
19 \( 1 + 1.80T + T^{2} \)
23 \( 1 - T^{2} \)
29 \( 1 + 0.445T + T^{2} \)
31 \( 1 - T^{2} \)
37 \( 1 + 1.80T + T^{2} \)
41 \( 1 - T^{2} \)
43 \( 1 - 1.24T + T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - T^{2} \)
73 \( 1 - 1.24T + T^{2} \)
79 \( 1 - 1.24T + T^{2} \)
83 \( 1 + 1.80T + T^{2} \)
89 \( 1 + 0.445T + T^{2} \)
97 \( 1 - T^{2} \)
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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

−15.30626946792415563634729611589, −13.98183065633101690550037886908, −12.42351194541329992426458232503, −11.05204135964904542931077288526, −10.37263061263202496602275828991, −9.249596659145116242975209696115, −8.392664296558968410521780245040, −6.76877928720481535930982673330, −5.76082408647750230290643880271, −2.19448912992332732423794638884, 2.19448912992332732423794638884, 5.76082408647750230290643880271, 6.76877928720481535930982673330, 8.392664296558968410521780245040, 9.249596659145116242975209696115, 10.37263061263202496602275828991, 11.05204135964904542931077288526, 12.42351194541329992426458232503, 13.98183065633101690550037886908, 15.30626946792415563634729611589

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