Properties

Label 2-41e2-1.1-c1-0-24
Degree $2$
Conductor $1681$
Sign $1$
Analytic cond. $13.4228$
Root an. cond. $3.66372$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.706·2-s − 0.343·3-s − 1.50·4-s − 2.37·5-s − 0.242·6-s + 4.91·7-s − 2.47·8-s − 2.88·9-s − 1.68·10-s − 1.70·11-s + 0.514·12-s − 3.97·13-s + 3.47·14-s + 0.815·15-s + 1.25·16-s + 2.74·17-s − 2.03·18-s + 0.965·19-s + 3.56·20-s − 1.68·21-s − 1.20·22-s + 6.75·23-s + 0.848·24-s + 0.655·25-s − 2.80·26-s + 2.01·27-s − 7.37·28-s + ⋯
L(s)  = 1  + 0.499·2-s − 0.198·3-s − 0.750·4-s − 1.06·5-s − 0.0989·6-s + 1.85·7-s − 0.874·8-s − 0.960·9-s − 0.531·10-s − 0.513·11-s + 0.148·12-s − 1.10·13-s + 0.927·14-s + 0.210·15-s + 0.313·16-s + 0.666·17-s − 0.480·18-s + 0.221·19-s + 0.797·20-s − 0.367·21-s − 0.256·22-s + 1.40·23-s + 0.173·24-s + 0.131·25-s − 0.550·26-s + 0.388·27-s − 1.39·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1681 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1681 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1681\)    =    \(41^{2}\)
Sign: $1$
Analytic conductor: \(13.4228\)
Root analytic conductor: \(3.66372\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1681,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.267403633\)
\(L(\frac12)\) \(\approx\) \(1.267403633\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad41 \( 1 \)
good2 \( 1 - 0.706T + 2T^{2} \)
3 \( 1 + 0.343T + 3T^{2} \)
5 \( 1 + 2.37T + 5T^{2} \)
7 \( 1 - 4.91T + 7T^{2} \)
11 \( 1 + 1.70T + 11T^{2} \)
13 \( 1 + 3.97T + 13T^{2} \)
17 \( 1 - 2.74T + 17T^{2} \)
19 \( 1 - 0.965T + 19T^{2} \)
23 \( 1 - 6.75T + 23T^{2} \)
29 \( 1 + 0.507T + 29T^{2} \)
31 \( 1 + 0.590T + 31T^{2} \)
37 \( 1 - 4.25T + 37T^{2} \)
43 \( 1 + 5.38T + 43T^{2} \)
47 \( 1 - 5.02T + 47T^{2} \)
53 \( 1 - 7.62T + 53T^{2} \)
59 \( 1 - 8.42T + 59T^{2} \)
61 \( 1 - 0.695T + 61T^{2} \)
67 \( 1 + 4.08T + 67T^{2} \)
71 \( 1 - 7.27T + 71T^{2} \)
73 \( 1 - 9.72T + 73T^{2} \)
79 \( 1 + 8.70T + 79T^{2} \)
83 \( 1 - 4.81T + 83T^{2} \)
89 \( 1 - 3.68T + 89T^{2} \)
97 \( 1 - 4.08T + 97T^{2} \)
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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

−9.132670393524799568707533590138, −8.385166314958373231350912281911, −7.895475460867463791707052154644, −7.20230801861215937482537833397, −5.64122452591575976852488265196, −5.09550099742623633195550351446, −4.59336261805630862145964818839, −3.57740384991458788598395170013, −2.50904614597606876600846507198, −0.73123718787346015211742029394, 0.73123718787346015211742029394, 2.50904614597606876600846507198, 3.57740384991458788598395170013, 4.59336261805630862145964818839, 5.09550099742623633195550351446, 5.64122452591575976852488265196, 7.20230801861215937482537833397, 7.895475460867463791707052154644, 8.385166314958373231350912281911, 9.132670393524799568707533590138

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