Properties

Label 2-1950-1.1-c1-0-3
Degree $2$
Conductor $1950$
Sign $1$
Analytic cond. $15.5708$
Root an. cond. $3.94598$
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  − 2-s − 3-s + 4-s + 6-s + 1.70·7-s − 8-s + 9-s − 1.70·11-s − 12-s + 13-s − 1.70·14-s + 16-s − 5.70·17-s − 18-s + 4.70·19-s − 1.70·21-s + 1.70·22-s + 24-s − 26-s − 27-s + 1.70·28-s + 6.40·29-s + 9.10·31-s − 32-s + 1.70·33-s + 5.70·34-s + 36-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.577·3-s + 0.5·4-s + 0.408·6-s + 0.643·7-s − 0.353·8-s + 0.333·9-s − 0.513·11-s − 0.288·12-s + 0.277·13-s − 0.454·14-s + 0.250·16-s − 1.38·17-s − 0.235·18-s + 1.07·19-s − 0.371·21-s + 0.362·22-s + 0.204·24-s − 0.196·26-s − 0.192·27-s + 0.321·28-s + 1.18·29-s + 1.63·31-s − 0.176·32-s + 0.296·33-s + 0.977·34-s + 0.166·36-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1950 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1950 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1950\)    =    \(2 \cdot 3 \cdot 5^{2} \cdot 13\)
Sign: $1$
Analytic conductor: \(15.5708\)
Root analytic conductor: \(3.94598\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1950,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.022286066\)
\(L(\frac12)\) \(\approx\) \(1.022286066\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
3 \( 1 + T \)
5 \( 1 \)
13 \( 1 - T \)
good7 \( 1 - 1.70T + 7T^{2} \)
11 \( 1 + 1.70T + 11T^{2} \)
17 \( 1 + 5.70T + 17T^{2} \)
19 \( 1 - 4.70T + 19T^{2} \)
23 \( 1 + 23T^{2} \)
29 \( 1 - 6.40T + 29T^{2} \)
31 \( 1 - 9.10T + 31T^{2} \)
37 \( 1 + 4.70T + 37T^{2} \)
41 \( 1 - 2.70T + 41T^{2} \)
43 \( 1 + 1.40T + 43T^{2} \)
47 \( 1 + 7T + 47T^{2} \)
53 \( 1 - 10.4T + 53T^{2} \)
59 \( 1 + 3.70T + 59T^{2} \)
61 \( 1 + 5.10T + 61T^{2} \)
67 \( 1 + 6.40T + 67T^{2} \)
71 \( 1 - 4.70T + 71T^{2} \)
73 \( 1 - 12T + 73T^{2} \)
79 \( 1 - 0.701T + 79T^{2} \)
83 \( 1 - 4.29T + 83T^{2} \)
89 \( 1 + 1.40T + 89T^{2} \)
97 \( 1 - 15.4T + 97T^{2} \)
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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

−9.134825056179554180350409789134, −8.385056582679060103267575204916, −7.74528552726931371157861592291, −6.82669867783239936253818766638, −6.19920772982649873698092748250, −5.12763987103426050317334715648, −4.49745469760822920228843287744, −3.10835915413609402385084218757, −1.98708375898045410262641921164, −0.78442020999582491445181638244, 0.78442020999582491445181638244, 1.98708375898045410262641921164, 3.10835915413609402385084218757, 4.49745469760822920228843287744, 5.12763987103426050317334715648, 6.19920772982649873698092748250, 6.82669867783239936253818766638, 7.74528552726931371157861592291, 8.385056582679060103267575204916, 9.134825056179554180350409789134

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