Properties

Label 2-2-1.1-c25-0-1
Degree $2$
Conductor $2$
Sign $1$
Analytic cond. $7.91993$
Root an. cond. $2.81423$
Motivic weight $25$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4.09e3·2-s + 1.75e6·3-s + 1.67e7·4-s − 1.37e8·5-s + 7.20e9·6-s − 3.04e10·7-s + 6.87e10·8-s + 2.24e12·9-s − 5.61e11·10-s + 2.58e12·11-s + 2.94e13·12-s − 9.57e13·13-s − 1.24e14·14-s − 2.40e14·15-s + 2.81e14·16-s − 1.64e15·17-s + 9.18e15·18-s + 4.95e15·19-s − 2.29e15·20-s − 5.34e16·21-s + 1.05e16·22-s − 1.07e16·23-s + 1.20e17·24-s − 2.79e17·25-s − 3.92e17·26-s + 2.45e18·27-s − 5.10e17·28-s + ⋯
L(s)  = 1  + 0.707·2-s + 1.90·3-s + 0.5·4-s − 0.251·5-s + 1.35·6-s − 0.830·7-s + 0.353·8-s + 2.64·9-s − 0.177·10-s + 0.248·11-s + 0.954·12-s − 1.13·13-s − 0.587·14-s − 0.479·15-s + 0.250·16-s − 0.685·17-s + 1.87·18-s + 0.513·19-s − 0.125·20-s − 1.58·21-s + 0.175·22-s − 0.102·23-s + 0.675·24-s − 0.936·25-s − 0.805·26-s + 3.14·27-s − 0.415·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(26-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2 ^{s/2} \, \Gamma_{\C}(s+25/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2\)
Sign: $1$
Analytic conductor: \(7.91993\)
Root analytic conductor: \(2.81423\)
Motivic weight: \(25\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2,\ (\ :25/2),\ 1)\)

Particular Values

\(L(13)\) \(\approx\) \(3.873599089\)
\(L(\frac12)\) \(\approx\) \(3.873599089\)
\(L(\frac{27}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 4.09e3T \)
good3 \( 1 - 1.75e6T + 8.47e11T^{2} \)
5 \( 1 + 1.37e8T + 2.98e17T^{2} \)
7 \( 1 + 3.04e10T + 1.34e21T^{2} \)
11 \( 1 - 2.58e12T + 1.08e26T^{2} \)
13 \( 1 + 9.57e13T + 7.05e27T^{2} \)
17 \( 1 + 1.64e15T + 5.77e30T^{2} \)
19 \( 1 - 4.95e15T + 9.30e31T^{2} \)
23 \( 1 + 1.07e16T + 1.10e34T^{2} \)
29 \( 1 + 1.36e18T + 3.63e36T^{2} \)
31 \( 1 + 4.41e18T + 1.92e37T^{2} \)
37 \( 1 - 1.01e19T + 1.60e39T^{2} \)
41 \( 1 - 1.58e20T + 2.08e40T^{2} \)
43 \( 1 - 1.83e20T + 6.86e40T^{2} \)
47 \( 1 - 1.40e21T + 6.34e41T^{2} \)
53 \( 1 + 1.99e21T + 1.27e43T^{2} \)
59 \( 1 + 4.16e21T + 1.86e44T^{2} \)
61 \( 1 - 3.42e22T + 4.29e44T^{2} \)
67 \( 1 - 8.67e22T + 4.48e45T^{2} \)
71 \( 1 + 5.13e22T + 1.91e46T^{2} \)
73 \( 1 - 3.49e22T + 3.82e46T^{2} \)
79 \( 1 - 2.91e23T + 2.75e47T^{2} \)
83 \( 1 + 1.64e24T + 9.48e47T^{2} \)
89 \( 1 - 8.74e23T + 5.42e48T^{2} \)
97 \( 1 - 1.00e25T + 4.66e49T^{2} \)
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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

−21.97766147046738826075335824364, −20.24180583354712465316532818185, −19.29205137885697460875049351785, −15.68178921653690092362764057562, −14.31572441593052936437737236132, −12.85583118836617094852809924520, −9.477013863951213799278245625209, −7.38952923442123633934034670144, −3.86947813471126057571003514132, −2.40178545892333212608839019732, 2.40178545892333212608839019732, 3.86947813471126057571003514132, 7.38952923442123633934034670144, 9.477013863951213799278245625209, 12.85583118836617094852809924520, 14.31572441593052936437737236132, 15.68178921653690092362764057562, 19.29205137885697460875049351785, 20.24180583354712465316532818185, 21.97766147046738826075335824364

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