Properties

Label 2-3-1.1-c19-0-0
Degree $2$
Conductor $3$
Sign $1$
Analytic cond. $6.86450$
Root an. cond. $2.62001$
Motivic weight $19$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 536.·2-s − 1.96e4·3-s − 2.36e5·4-s − 6.83e5·5-s + 1.05e7·6-s + 1.13e8·7-s + 4.08e8·8-s + 3.87e8·9-s + 3.66e8·10-s + 6.43e9·11-s + 4.65e9·12-s − 5.75e10·13-s − 6.09e10·14-s + 1.34e10·15-s − 9.47e10·16-s + 6.85e11·17-s − 2.07e11·18-s + 1.22e12·19-s + 1.61e11·20-s − 2.23e12·21-s − 3.44e12·22-s + 5.02e12·23-s − 8.03e12·24-s − 1.86e13·25-s + 3.08e13·26-s − 7.62e12·27-s − 2.69e13·28-s + ⋯
L(s)  = 1  − 0.740·2-s − 0.577·3-s − 0.451·4-s − 0.156·5-s + 0.427·6-s + 1.06·7-s + 1.07·8-s + 0.333·9-s + 0.115·10-s + 0.822·11-s + 0.260·12-s − 1.50·13-s − 0.788·14-s + 0.0903·15-s − 0.344·16-s + 1.40·17-s − 0.246·18-s + 0.869·19-s + 0.0706·20-s − 0.614·21-s − 0.609·22-s + 0.581·23-s − 0.620·24-s − 0.975·25-s + 1.11·26-s − 0.192·27-s − 0.480·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 3 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(20-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 3 ^{s/2} \, \Gamma_{\C}(s+19/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(3\)
Sign: $1$
Analytic conductor: \(6.86450\)
Root analytic conductor: \(2.62001\)
Motivic weight: \(19\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 3,\ (\ :19/2),\ 1)\)

Particular Values

\(L(10)\) \(\approx\) \(0.8734009930\)
\(L(\frac12)\) \(\approx\) \(0.8734009930\)
\(L(\frac{21}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + 1.96e4T \)
good2 \( 1 + 536.T + 5.24e5T^{2} \)
5 \( 1 + 6.83e5T + 1.90e13T^{2} \)
7 \( 1 - 1.13e8T + 1.13e16T^{2} \)
11 \( 1 - 6.43e9T + 6.11e19T^{2} \)
13 \( 1 + 5.75e10T + 1.46e21T^{2} \)
17 \( 1 - 6.85e11T + 2.39e23T^{2} \)
19 \( 1 - 1.22e12T + 1.97e24T^{2} \)
23 \( 1 - 5.02e12T + 7.46e25T^{2} \)
29 \( 1 - 1.53e14T + 6.10e27T^{2} \)
31 \( 1 - 3.92e13T + 2.16e28T^{2} \)
37 \( 1 - 1.35e15T + 6.24e29T^{2} \)
41 \( 1 + 5.75e14T + 4.39e30T^{2} \)
43 \( 1 - 3.36e14T + 1.08e31T^{2} \)
47 \( 1 + 6.99e15T + 5.88e31T^{2} \)
53 \( 1 - 1.69e16T + 5.77e32T^{2} \)
59 \( 1 + 2.70e16T + 4.42e33T^{2} \)
61 \( 1 + 5.11e16T + 8.34e33T^{2} \)
67 \( 1 - 2.07e17T + 4.95e34T^{2} \)
71 \( 1 + 2.35e17T + 1.49e35T^{2} \)
73 \( 1 - 7.43e16T + 2.53e35T^{2} \)
79 \( 1 + 6.98e17T + 1.13e36T^{2} \)
83 \( 1 - 3.25e18T + 2.90e36T^{2} \)
89 \( 1 + 1.43e18T + 1.09e37T^{2} \)
97 \( 1 - 1.66e18T + 5.60e37T^{2} \)
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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

−21.70026776405241247383190315253, −19.50800368651085823387801775358, −17.90021638358707200352573178688, −16.85496353188924852403156201379, −14.36215004365440983920762826177, −11.86029359705413426139138588874, −9.845666150611256034314878520095, −7.75778586459758829259083930184, −4.82452618151653980702153629445, −1.03035876013938774134787752717, 1.03035876013938774134787752717, 4.82452618151653980702153629445, 7.75778586459758829259083930184, 9.845666150611256034314878520095, 11.86029359705413426139138588874, 14.36215004365440983920762826177, 16.85496353188924852403156201379, 17.90021638358707200352573178688, 19.50800368651085823387801775358, 21.70026776405241247383190315253

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