Properties

Label 2-287-287.286-c0-0-2
Degree $2$
Conductor $287$
Sign $1$
Analytic cond. $0.143231$
Root an. cond. $0.378459$
Motivic weight $0$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 1.80·2-s + 1.24·3-s + 2.24·4-s − 2.24·6-s + 7-s − 2.24·8-s + 0.554·9-s + 2.80·12-s − 1.80·13-s − 1.80·14-s + 1.80·16-s − 0.445·17-s − 0.999·18-s − 0.445·19-s + 1.24·21-s + 1.24·23-s − 2.80·24-s + 25-s + 3.24·26-s − 0.554·27-s + 2.24·28-s − 1.00·32-s + 0.801·34-s + 1.24·36-s − 1.80·37-s + 0.801·38-s − 2.24·39-s + ⋯
L(s)  = 1  − 1.80·2-s + 1.24·3-s + 2.24·4-s − 2.24·6-s + 7-s − 2.24·8-s + 0.554·9-s + 2.80·12-s − 1.80·13-s − 1.80·14-s + 1.80·16-s − 0.445·17-s − 0.999·18-s − 0.445·19-s + 1.24·21-s + 1.24·23-s − 2.80·24-s + 25-s + 3.24·26-s − 0.554·27-s + 2.24·28-s − 1.00·32-s + 0.801·34-s + 1.24·36-s − 1.80·37-s + 0.801·38-s − 2.24·39-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 287 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(287\)    =    \(7 \cdot 41\)
Sign: $1$
Analytic conductor: \(0.143231\)
Root analytic conductor: \(0.378459\)
Motivic weight: \(0\)
Rational: no
Arithmetic: yes
Character: $\chi_{287} (286, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 287,\ (\ :0),\ 1)\)

Particular Values

\(L(\frac{1}{2})\) \(\approx\) \(0.5307522865\)
\(L(\frac12)\) \(\approx\) \(0.5307522865\)
\(L(1)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad7 \( 1 - T \)
41 \( 1 - T \)
good2 \( 1 + 1.80T + T^{2} \)
3 \( 1 - 1.24T + T^{2} \)
5 \( 1 - T^{2} \)
11 \( 1 - T^{2} \)
13 \( 1 + 1.80T + T^{2} \)
17 \( 1 + 0.445T + T^{2} \)
19 \( 1 + 0.445T + T^{2} \)
23 \( 1 - 1.24T + T^{2} \)
29 \( 1 - T^{2} \)
31 \( 1 - T^{2} \)
37 \( 1 + 1.80T + T^{2} \)
43 \( 1 + 0.445T + T^{2} \)
47 \( 1 + 1.80T + T^{2} \)
53 \( 1 - T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 - T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - T^{2} \)
79 \( 1 - T^{2} \)
83 \( 1 - T^{2} \)
89 \( 1 + 1.80T + T^{2} \)
97 \( 1 - 1.24T + T^{2} \)
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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

−11.65891880652348892549946795336, −10.78250559542412005593668909887, −9.864391262451580615867045765893, −8.986941469572290249075414720670, −8.460803414283570476536541005022, −7.57176915215757514066040403834, −6.91591547070030771755669009401, −4.90714365739911539367664818202, −2.86385095983606244584232727242, −1.89021135447327534675760110407, 1.89021135447327534675760110407, 2.86385095983606244584232727242, 4.90714365739911539367664818202, 6.91591547070030771755669009401, 7.57176915215757514066040403834, 8.460803414283570476536541005022, 8.986941469572290249075414720670, 9.864391262451580615867045765893, 10.78250559542412005593668909887, 11.65891880652348892549946795336

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