Properties

Label 2-43-1.1-c1-0-1
Degree $2$
Conductor $43$
Sign $1$
Analytic cond. $0.343356$
Root an. cond. $0.585966$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.41·2-s − 1.41·3-s + 0.585·5-s − 2.00·6-s − 0.585·7-s − 2.82·8-s − 0.999·9-s + 0.828·10-s + 1.82·11-s + 3.82·13-s − 0.828·14-s − 0.828·15-s − 4.00·16-s + 7.82·17-s − 1.41·18-s − 4.82·19-s + 0.828·21-s + 2.58·22-s − 4.65·23-s + 4·24-s − 4.65·25-s + 5.41·26-s + 5.65·27-s + 4.24·29-s − 1.17·30-s + ⋯
L(s)  = 1  + 1.00·2-s − 0.816·3-s + 0.261·5-s − 0.816·6-s − 0.221·7-s − 0.999·8-s − 0.333·9-s + 0.261·10-s + 0.551·11-s + 1.06·13-s − 0.221·14-s − 0.213·15-s − 1.00·16-s + 1.89·17-s − 0.333·18-s − 1.10·19-s + 0.180·21-s + 0.551·22-s − 0.971·23-s + 0.816·24-s − 0.931·25-s + 1.06·26-s + 1.08·27-s + 0.787·29-s − 0.213·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 43 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 43 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(43\)
Sign: $1$
Analytic conductor: \(0.343356\)
Root analytic conductor: \(0.585966\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 43,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9213280172\)
\(L(\frac12)\) \(\approx\) \(0.9213280172\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad43 \( 1 - T \)
good2 \( 1 - 1.41T + 2T^{2} \)
3 \( 1 + 1.41T + 3T^{2} \)
5 \( 1 - 0.585T + 5T^{2} \)
7 \( 1 + 0.585T + 7T^{2} \)
11 \( 1 - 1.82T + 11T^{2} \)
13 \( 1 - 3.82T + 13T^{2} \)
17 \( 1 - 7.82T + 17T^{2} \)
19 \( 1 + 4.82T + 19T^{2} \)
23 \( 1 + 4.65T + 23T^{2} \)
29 \( 1 - 4.24T + 29T^{2} \)
31 \( 1 + 3T + 31T^{2} \)
37 \( 1 + 8.48T + 37T^{2} \)
41 \( 1 + 3.82T + 41T^{2} \)
47 \( 1 - 6T + 47T^{2} \)
53 \( 1 - 8.17T + 53T^{2} \)
59 \( 1 - 0.828T + 59T^{2} \)
61 \( 1 - 8.24T + 61T^{2} \)
67 \( 1 - 9.48T + 67T^{2} \)
71 \( 1 + 8.82T + 71T^{2} \)
73 \( 1 + 7.75T + 73T^{2} \)
79 \( 1 + 0.828T + 79T^{2} \)
83 \( 1 - 14.6T + 83T^{2} \)
89 \( 1 + 10.2T + 89T^{2} \)
97 \( 1 + 3.82T + 97T^{2} \)
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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

−15.96862753327548951657322812928, −14.54902643044876883916524676202, −13.75477488135291936020076938368, −12.45506562106852186119984380868, −11.68335522144352399410685135764, −10.18631591820728050445314586438, −8.587071820675756351197364898354, −6.30292008875009122275168767003, −5.49340378863976578926921028119, −3.72574111701961389767509613392, 3.72574111701961389767509613392, 5.49340378863976578926921028119, 6.30292008875009122275168767003, 8.587071820675756351197364898354, 10.18631591820728050445314586438, 11.68335522144352399410685135764, 12.45506562106852186119984380868, 13.75477488135291936020076938368, 14.54902643044876883916524676202, 15.96862753327548951657322812928

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