Properties

Label 2-2-1.1-c25-0-0
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 − 1.37e6·3-s + 1.67e7·4-s + 8.78e8·5-s − 5.64e9·6-s + 3.00e10·7-s + 6.87e10·8-s + 1.05e12·9-s + 3.60e12·10-s + 5.73e12·11-s − 2.31e13·12-s − 1.07e13·13-s + 1.23e14·14-s − 1.21e15·15-s + 2.81e14·16-s + 2.97e15·17-s + 4.30e15·18-s − 5.42e15·19-s + 1.47e16·20-s − 4.13e16·21-s + 2.34e16·22-s − 1.04e17·23-s − 9.46e16·24-s + 4.74e17·25-s − 4.39e16·26-s − 2.81e17·27-s + 5.03e17·28-s + ⋯
L(s)  = 1  + 0.707·2-s − 1.49·3-s + 0.5·4-s + 1.61·5-s − 1.05·6-s + 0.820·7-s + 0.353·8-s + 1.24·9-s + 1.13·10-s + 0.551·11-s − 0.748·12-s − 0.127·13-s + 0.580·14-s − 2.41·15-s + 0.250·16-s + 1.23·17-s + 0.877·18-s − 0.562·19-s + 0.805·20-s − 1.22·21-s + 0.389·22-s − 0.994·23-s − 0.529·24-s + 1.59·25-s − 0.0903·26-s − 0.361·27-s + 0.410·28-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

\(L(13)\) \(\approx\) \(2.212283994\)
\(L(\frac12)\) \(\approx\) \(2.212283994\)
\(L(\frac{27}{2})\) 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 \( 1 + 1.37e6T + 8.47e11T^{2} \)
5 \( 1 - 8.78e8T + 2.98e17T^{2} \)
7 \( 1 - 3.00e10T + 1.34e21T^{2} \)
11 \( 1 - 5.73e12T + 1.08e26T^{2} \)
13 \( 1 + 1.07e13T + 7.05e27T^{2} \)
17 \( 1 - 2.97e15T + 5.77e30T^{2} \)
19 \( 1 + 5.42e15T + 9.30e31T^{2} \)
23 \( 1 + 1.04e17T + 1.10e34T^{2} \)
29 \( 1 - 3.09e18T + 3.63e36T^{2} \)
31 \( 1 + 4.26e18T + 1.92e37T^{2} \)
37 \( 1 + 4.51e19T + 1.60e39T^{2} \)
41 \( 1 + 7.56e19T + 2.08e40T^{2} \)
43 \( 1 + 1.39e20T + 6.86e40T^{2} \)
47 \( 1 - 4.67e20T + 6.34e41T^{2} \)
53 \( 1 + 1.24e21T + 1.27e43T^{2} \)
59 \( 1 + 1.32e22T + 1.86e44T^{2} \)
61 \( 1 + 2.36e20T + 4.29e44T^{2} \)
67 \( 1 + 5.36e22T + 4.48e45T^{2} \)
71 \( 1 + 2.27e23T + 1.91e46T^{2} \)
73 \( 1 - 2.78e23T + 3.82e46T^{2} \)
79 \( 1 - 6.36e23T + 2.75e47T^{2} \)
83 \( 1 - 1.19e24T + 9.48e47T^{2} \)
89 \( 1 + 3.22e24T + 5.42e48T^{2} \)
97 \( 1 - 3.58e24T + 4.66e49T^{2} \)
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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

−22.15134100365496802842364456197, −21.19208389753462498356108644001, −17.86971452131425100101498252999, −16.80071504643086272845410878330, −14.14472070512823609426422755833, −12.15149674897595662697810873644, −10.39165734775282512659645327459, −6.25928827265899712557255199877, −5.10664108876688748126544343749, −1.54121893824147299728369205257, 1.54121893824147299728369205257, 5.10664108876688748126544343749, 6.25928827265899712557255199877, 10.39165734775282512659645327459, 12.15149674897595662697810873644, 14.14472070512823609426422755833, 16.80071504643086272845410878330, 17.86971452131425100101498252999, 21.19208389753462498356108644001, 22.15134100365496802842364456197

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