Properties

Label 2-41e2-1.1-c1-0-14
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  − 2.41·2-s − 2.36·3-s + 3.83·4-s + 2.87·5-s + 5.71·6-s − 2.09·7-s − 4.42·8-s + 2.60·9-s − 6.93·10-s + 0.389·11-s − 9.06·12-s − 3.45·13-s + 5.06·14-s − 6.79·15-s + 3.01·16-s − 5.11·17-s − 6.28·18-s + 6.44·19-s + 11.0·20-s + 4.96·21-s − 0.940·22-s − 1.32·23-s + 10.4·24-s + 3.25·25-s + 8.35·26-s + 0.944·27-s − 8.04·28-s + ⋯
L(s)  = 1  − 1.70·2-s − 1.36·3-s + 1.91·4-s + 1.28·5-s + 2.33·6-s − 0.793·7-s − 1.56·8-s + 0.867·9-s − 2.19·10-s + 0.117·11-s − 2.61·12-s − 0.959·13-s + 1.35·14-s − 1.75·15-s + 0.754·16-s − 1.24·17-s − 1.48·18-s + 1.47·19-s + 2.46·20-s + 1.08·21-s − 0.200·22-s − 0.277·23-s + 2.13·24-s + 0.650·25-s + 1.63·26-s + 0.181·27-s − 1.51·28-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

\(L(1)\) \(\approx\) \(0.3735002049\)
\(L(\frac12)\) \(\approx\) \(0.3735002049\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.41T + 2T^{2} \)
3 \( 1 + 2.36T + 3T^{2} \)
5 \( 1 - 2.87T + 5T^{2} \)
7 \( 1 + 2.09T + 7T^{2} \)
11 \( 1 - 0.389T + 11T^{2} \)
13 \( 1 + 3.45T + 13T^{2} \)
17 \( 1 + 5.11T + 17T^{2} \)
19 \( 1 - 6.44T + 19T^{2} \)
23 \( 1 + 1.32T + 23T^{2} \)
29 \( 1 + 0.597T + 29T^{2} \)
31 \( 1 + 1.23T + 31T^{2} \)
37 \( 1 - 2.57T + 37T^{2} \)
43 \( 1 - 9.91T + 43T^{2} \)
47 \( 1 + 2.21T + 47T^{2} \)
53 \( 1 + 5.40T + 53T^{2} \)
59 \( 1 - 6.60T + 59T^{2} \)
61 \( 1 + 6.39T + 61T^{2} \)
67 \( 1 + 5.58T + 67T^{2} \)
71 \( 1 - 7.00T + 71T^{2} \)
73 \( 1 + 14.4T + 73T^{2} \)
79 \( 1 + 5.98T + 79T^{2} \)
83 \( 1 - 15.4T + 83T^{2} \)
89 \( 1 - 0.334T + 89T^{2} \)
97 \( 1 - 14.4T + 97T^{2} \)
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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

−9.472278417414008826773336339613, −8.992221082890781225279312329478, −7.67293107556296638074054555920, −6.94104116211986307902599155368, −6.28732758913407744034766082598, −5.70526537992576649322284163637, −4.70432077413412802494478041668, −2.81787396004491787820306346636, −1.81024953015891146484989791169, −0.57471439737994361177870512253, 0.57471439737994361177870512253, 1.81024953015891146484989791169, 2.81787396004491787820306346636, 4.70432077413412802494478041668, 5.70526537992576649322284163637, 6.28732758913407744034766082598, 6.94104116211986307902599155368, 7.67293107556296638074054555920, 8.992221082890781225279312329478, 9.472278417414008826773336339613

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