Properties

Label 2-2e2-1.1-c21-0-1
Degree $2$
Conductor $4$
Sign $1$
Analytic cond. $11.1790$
Root an. cond. $3.34351$
Motivic weight $21$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.57e5·3-s + 3.23e7·5-s − 8.65e8·7-s + 1.44e10·9-s + 3.34e10·11-s + 6.73e11·13-s + 5.10e12·15-s − 9.68e12·17-s + 2.47e13·19-s − 1.36e14·21-s − 2.38e14·23-s + 5.68e14·25-s + 6.26e14·27-s + 1.28e15·29-s − 5.18e14·31-s + 5.27e15·33-s − 2.79e16·35-s − 4.73e16·37-s + 1.06e17·39-s + 5.43e16·41-s − 1.52e17·43-s + 4.66e17·45-s − 4.11e17·47-s + 1.90e17·49-s − 1.52e18·51-s − 5.65e17·53-s + 1.08e18·55-s + ⋯
L(s)  = 1  + 1.54·3-s + 1.48·5-s − 1.15·7-s + 1.37·9-s + 0.388·11-s + 1.35·13-s + 2.28·15-s − 1.16·17-s + 0.927·19-s − 1.78·21-s − 1.19·23-s + 1.19·25-s + 0.585·27-s + 0.565·29-s − 0.113·31-s + 0.599·33-s − 1.71·35-s − 1.61·37-s + 2.09·39-s + 0.632·41-s − 1.07·43-s + 2.04·45-s − 1.14·47-s + 0.341·49-s − 1.79·51-s − 0.444·53-s + 0.575·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 4 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(22-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 4 ^{s/2} \, \Gamma_{\C}(s+21/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(4\)    =    \(2^{2}\)
Sign: $1$
Analytic conductor: \(11.1790\)
Root analytic conductor: \(3.34351\)
Motivic weight: \(21\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 4,\ (\ :21/2),\ 1)\)

Particular Values

\(L(11)\) \(\approx\) \(3.278564183\)
\(L(\frac12)\) \(\approx\) \(3.278564183\)
\(L(\frac{23}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
good3 \( 1 - 1.57e5T + 1.04e10T^{2} \)
5 \( 1 - 3.23e7T + 4.76e14T^{2} \)
7 \( 1 + 8.65e8T + 5.58e17T^{2} \)
11 \( 1 - 3.34e10T + 7.40e21T^{2} \)
13 \( 1 - 6.73e11T + 2.47e23T^{2} \)
17 \( 1 + 9.68e12T + 6.90e25T^{2} \)
19 \( 1 - 2.47e13T + 7.14e26T^{2} \)
23 \( 1 + 2.38e14T + 3.94e28T^{2} \)
29 \( 1 - 1.28e15T + 5.13e30T^{2} \)
31 \( 1 + 5.18e14T + 2.08e31T^{2} \)
37 \( 1 + 4.73e16T + 8.55e32T^{2} \)
41 \( 1 - 5.43e16T + 7.38e33T^{2} \)
43 \( 1 + 1.52e17T + 2.00e34T^{2} \)
47 \( 1 + 4.11e17T + 1.30e35T^{2} \)
53 \( 1 + 5.65e17T + 1.62e36T^{2} \)
59 \( 1 - 1.43e18T + 1.54e37T^{2} \)
61 \( 1 - 5.28e17T + 3.10e37T^{2} \)
67 \( 1 + 1.27e19T + 2.22e38T^{2} \)
71 \( 1 + 1.85e19T + 7.52e38T^{2} \)
73 \( 1 - 4.09e19T + 1.34e39T^{2} \)
79 \( 1 - 4.81e19T + 7.08e39T^{2} \)
83 \( 1 - 2.70e19T + 1.99e40T^{2} \)
89 \( 1 - 3.94e19T + 8.65e40T^{2} \)
97 \( 1 - 1.01e21T + 5.27e41T^{2} \)
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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

−19.67474529512163201366760327621, −18.06872425771547475373729965401, −15.89405073788503556484832347173, −13.96965649935577991733665711540, −13.27230960506316935052650666360, −9.886767782732204364593553848740, −8.822764373221415312248239245072, −6.37746181409678164804947813611, −3.35841814941640623178984159268, −1.84952097182914248312130051954, 1.84952097182914248312130051954, 3.35841814941640623178984159268, 6.37746181409678164804947813611, 8.822764373221415312248239245072, 9.886767782732204364593553848740, 13.27230960506316935052650666360, 13.96965649935577991733665711540, 15.89405073788503556484832347173, 18.06872425771547475373729965401, 19.67474529512163201366760327621

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