Properties

Label 2-399-1.1-c1-0-10
Degree $2$
Conductor $399$
Sign $1$
Analytic cond. $3.18603$
Root an. cond. $1.78494$
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  + 2.09·2-s − 3-s + 2.36·4-s + 0.388·5-s − 2.09·6-s + 7-s + 0.771·8-s + 9-s + 0.811·10-s + 6.41·11-s − 2.36·12-s + 3.88·13-s + 2.09·14-s − 0.388·15-s − 3.12·16-s − 4.98·17-s + 2.09·18-s − 19-s + 0.919·20-s − 21-s + 13.4·22-s + 3.44·23-s − 0.771·24-s − 4.84·25-s + 8.12·26-s − 27-s + 2.36·28-s + ⋯
L(s)  = 1  + 1.47·2-s − 0.577·3-s + 1.18·4-s + 0.173·5-s − 0.853·6-s + 0.377·7-s + 0.272·8-s + 0.333·9-s + 0.256·10-s + 1.93·11-s − 0.683·12-s + 1.07·13-s + 0.558·14-s − 0.100·15-s − 0.781·16-s − 1.20·17-s + 0.492·18-s − 0.229·19-s + 0.205·20-s − 0.218·21-s + 2.86·22-s + 0.717·23-s − 0.157·24-s − 0.969·25-s + 1.59·26-s − 0.192·27-s + 0.447·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 399 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 399 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(399\)    =    \(3 \cdot 7 \cdot 19\)
Sign: $1$
Analytic conductor: \(3.18603\)
Root analytic conductor: \(1.78494\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 399,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.682986877\)
\(L(\frac12)\) \(\approx\) \(2.682986877\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
7 \( 1 - T \)
19 \( 1 + T \)
good2 \( 1 - 2.09T + 2T^{2} \)
5 \( 1 - 0.388T + 5T^{2} \)
11 \( 1 - 6.41T + 11T^{2} \)
13 \( 1 - 3.88T + 13T^{2} \)
17 \( 1 + 4.98T + 17T^{2} \)
23 \( 1 - 3.44T + 23T^{2} \)
29 \( 1 - 0.169T + 29T^{2} \)
31 \( 1 + 8.62T + 31T^{2} \)
37 \( 1 - 7.37T + 37T^{2} \)
41 \( 1 + 8.77T + 41T^{2} \)
43 \( 1 + 9.11T + 43T^{2} \)
47 \( 1 + 4.80T + 47T^{2} \)
53 \( 1 - 8.42T + 53T^{2} \)
59 \( 1 - 2.97T + 59T^{2} \)
61 \( 1 - 5.82T + 61T^{2} \)
67 \( 1 + 14.9T + 67T^{2} \)
71 \( 1 - 4.24T + 71T^{2} \)
73 \( 1 - 13.5T + 73T^{2} \)
79 \( 1 + 1.01T + 79T^{2} \)
83 \( 1 + 4.32T + 83T^{2} \)
89 \( 1 - 13.8T + 89T^{2} \)
97 \( 1 + 13.7T + 97T^{2} \)
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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

−11.47685096821963154885527199474, −10.97232803514642848210651427701, −9.443386790050601825531005598223, −8.609016414617399720980204643918, −6.86071787260097522949000571741, −6.37544928927090577062163417151, −5.41264417966402576008142593713, −4.30434887053437066504023806442, −3.63340731583608311598654472987, −1.75514685784801947870251495642, 1.75514685784801947870251495642, 3.63340731583608311598654472987, 4.30434887053437066504023806442, 5.41264417966402576008142593713, 6.37544928927090577062163417151, 6.86071787260097522949000571741, 8.609016414617399720980204643918, 9.443386790050601825531005598223, 10.97232803514642848210651427701, 11.47685096821963154885527199474

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