Properties

Label 2-1575-21.20-c1-0-23
Degree $2$
Conductor $1575$
Sign $0.974 - 0.225i$
Analytic cond. $12.5764$
Root an. cond. $3.54632$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.517i·2-s + 1.73·4-s + (−1 + 2.44i)7-s − 1.93i·8-s − 0.378i·11-s + 1.79i·13-s + (1.26 + 0.517i)14-s + 2.46·16-s + 3.46·17-s + 1.79i·19-s − 0.196·22-s − 1.41i·23-s + 0.928·26-s + (−1.73 + 4.24i)28-s + 1.41i·29-s + ⋯
L(s)  = 1  − 0.366i·2-s + 0.866·4-s + (−0.377 + 0.925i)7-s − 0.683i·8-s − 0.114i·11-s + 0.497i·13-s + (0.338 + 0.138i)14-s + 0.616·16-s + 0.840·17-s + 0.411i·19-s − 0.0418·22-s − 0.294i·23-s + 0.182·26-s + (−0.327 + 0.801i)28-s + 0.262i·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.974 - 0.225i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1575 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.974 - 0.225i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1575\)    =    \(3^{2} \cdot 5^{2} \cdot 7\)
Sign: $0.974 - 0.225i$
Analytic conductor: \(12.5764\)
Root analytic conductor: \(3.54632\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1575} (251, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1575,\ (\ :1/2),\ 0.974 - 0.225i)\)

Particular Values

\(L(1)\) \(\approx\) \(2.103886359\)
\(L(\frac12)\) \(\approx\) \(2.103886359\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
5 \( 1 \)
7 \( 1 + (1 - 2.44i)T \)
good2 \( 1 + 0.517iT - 2T^{2} \)
11 \( 1 + 0.378iT - 11T^{2} \)
13 \( 1 - 1.79iT - 13T^{2} \)
17 \( 1 - 3.46T + 17T^{2} \)
19 \( 1 - 1.79iT - 19T^{2} \)
23 \( 1 + 1.41iT - 23T^{2} \)
29 \( 1 - 1.41iT - 29T^{2} \)
31 \( 1 - 6.69iT - 31T^{2} \)
37 \( 1 - 1.46T + 37T^{2} \)
41 \( 1 - 10.3T + 41T^{2} \)
43 \( 1 - 4.92T + 43T^{2} \)
47 \( 1 - 9.46T + 47T^{2} \)
53 \( 1 - 10.1iT - 53T^{2} \)
59 \( 1 + 9.46T + 59T^{2} \)
61 \( 1 - 13.3iT - 61T^{2} \)
67 \( 1 - 10.9T + 67T^{2} \)
71 \( 1 + 15.0iT - 71T^{2} \)
73 \( 1 + 1.79iT - 73T^{2} \)
79 \( 1 + 10.9T + 79T^{2} \)
83 \( 1 + 9.46T + 83T^{2} \)
89 \( 1 + 12.9T + 89T^{2} \)
97 \( 1 - 15.1iT - 97T^{2} \)
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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

−9.461096036137354920604949430926, −8.823349683230176401046452223194, −7.77425408754390105719865895211, −7.05387617105105259549537302757, −6.09232463331881387388497538460, −5.62233514719012109127896496325, −4.27069684410793498293823010094, −3.16782251333163720374521242951, −2.46735124269486973015056308051, −1.29133477430316906681036468165, 0.902393286225419105263988306086, 2.35121658388123257591330787944, 3.34008550120200504771844289341, 4.32850318315833994956933670068, 5.55724036889274050239037891694, 6.15700566104011414588971634033, 7.16540904195218840067016307857, 7.56478860391856785871368554333, 8.344723529421485985295023266069, 9.591456195971934149379275842215

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