Properties

Label 2-2-1.1-c47-0-1
Degree $2$
Conductor $2$
Sign $1$
Analytic cond. $27.9815$
Root an. cond. $5.28975$
Motivic weight $47$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8.38e6·2-s + 2.70e11·3-s + 7.03e13·4-s − 1.02e16·5-s − 2.27e18·6-s + 1.08e20·7-s − 5.90e20·8-s + 4.68e22·9-s + 8.60e22·10-s + 3.92e24·11-s + 1.90e25·12-s − 2.33e26·13-s − 9.13e26·14-s − 2.77e27·15-s + 4.95e27·16-s + 4.05e28·17-s − 3.92e29·18-s − 1.56e29·19-s − 7.21e29·20-s + 2.94e31·21-s − 3.29e31·22-s + 3.32e31·23-s − 1.59e32·24-s − 6.05e32·25-s + 1.95e33·26-s + 5.48e33·27-s + 7.65e33·28-s + ⋯
L(s)  = 1  − 0.707·2-s + 1.66·3-s + 0.5·4-s − 0.384·5-s − 1.17·6-s + 1.50·7-s − 0.353·8-s + 1.76·9-s + 0.271·10-s + 1.32·11-s + 0.830·12-s − 1.55·13-s − 1.06·14-s − 0.639·15-s + 0.250·16-s + 0.492·17-s − 1.24·18-s − 0.139·19-s − 0.192·20-s + 2.49·21-s − 0.935·22-s + 0.332·23-s − 0.587·24-s − 0.852·25-s + 1.09·26-s + 1.26·27-s + 0.751·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(48-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2 ^{s/2} \, \Gamma_{\C}(s+47/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2\)
Sign: $1$
Analytic conductor: \(27.9815\)
Root analytic conductor: \(5.28975\)
Motivic weight: \(47\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 2,\ (\ :47/2),\ 1)\)

Particular Values

\(L(24)\) \(\approx\) \(2.975398410\)
\(L(\frac12)\) \(\approx\) \(2.975398410\)
\(L(\frac{49}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + 8.38e6T \)
good3 \( 1 - 2.70e11T + 2.65e22T^{2} \)
5 \( 1 + 1.02e16T + 7.10e32T^{2} \)
7 \( 1 - 1.08e20T + 5.24e39T^{2} \)
11 \( 1 - 3.92e24T + 8.81e48T^{2} \)
13 \( 1 + 2.33e26T + 2.26e52T^{2} \)
17 \( 1 - 4.05e28T + 6.77e57T^{2} \)
19 \( 1 + 1.56e29T + 1.26e60T^{2} \)
23 \( 1 - 3.32e31T + 1.00e64T^{2} \)
29 \( 1 - 9.92e32T + 5.40e68T^{2} \)
31 \( 1 - 1.71e35T + 1.24e70T^{2} \)
37 \( 1 - 1.08e37T + 5.07e73T^{2} \)
41 \( 1 + 7.95e37T + 6.32e75T^{2} \)
43 \( 1 - 3.70e38T + 5.92e76T^{2} \)
47 \( 1 + 6.30e38T + 3.87e78T^{2} \)
53 \( 1 - 2.32e40T + 1.09e81T^{2} \)
59 \( 1 + 3.80e41T + 1.69e83T^{2} \)
61 \( 1 - 1.07e42T + 8.13e83T^{2} \)
67 \( 1 + 1.46e42T + 6.69e85T^{2} \)
71 \( 1 + 1.66e43T + 1.02e87T^{2} \)
73 \( 1 + 5.99e42T + 3.76e87T^{2} \)
79 \( 1 + 1.80e44T + 1.54e89T^{2} \)
83 \( 1 + 2.37e45T + 1.57e90T^{2} \)
89 \( 1 - 1.07e45T + 4.18e91T^{2} \)
97 \( 1 + 5.98e45T + 2.38e93T^{2} \)
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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

−17.30869601008150832221953436288, −15.03254116980632639876689598475, −14.27660402495919206933351349254, −11.81217559882232275802010381244, −9.661025476722952792623206304555, −8.349471305303799656929193553936, −7.42408072172744007028117126382, −4.28534652448586902058129702984, −2.52476585088168058541224491049, −1.30729127808266273151362806314, 1.30729127808266273151362806314, 2.52476585088168058541224491049, 4.28534652448586902058129702984, 7.42408072172744007028117126382, 8.349471305303799656929193553936, 9.661025476722952792623206304555, 11.81217559882232275802010381244, 14.27660402495919206933351349254, 15.03254116980632639876689598475, 17.30869601008150832221953436288

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