Properties

Label 2-1950-65.64-c1-0-37
Degree $2$
Conductor $1950$
Sign $-0.447 + 0.894i$
Analytic cond. $15.5708$
Root an. cond. $3.94598$
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  + 2-s + i·3-s + 4-s + i·6-s − 4.60·7-s + 8-s − 9-s + i·12-s − 3.60i·13-s − 4.60·14-s + 16-s + 4.60i·17-s − 18-s − 4.60i·19-s − 4.60i·21-s + ⋯
L(s)  = 1  + 0.707·2-s + 0.577i·3-s + 0.5·4-s + 0.408i·6-s − 1.74·7-s + 0.353·8-s − 0.333·9-s + 0.288i·12-s − 0.999i·13-s − 1.23·14-s + 0.250·16-s + 1.11i·17-s − 0.235·18-s − 1.05i·19-s − 1.00i·21-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1950 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1950 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.447 + 0.894i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1950\)    =    \(2 \cdot 3 \cdot 5^{2} \cdot 13\)
Sign: $-0.447 + 0.894i$
Analytic conductor: \(15.5708\)
Root analytic conductor: \(3.94598\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1950} (649, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1950,\ (\ :1/2),\ -0.447 + 0.894i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7275423752\)
\(L(\frac12)\) \(\approx\) \(0.7275423752\)
\(L(\frac{3}{2})\) 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 \( 1 - iT \)
5 \( 1 \)
13 \( 1 + 3.60iT \)
good7 \( 1 + 4.60T + 7T^{2} \)
11 \( 1 - 11T^{2} \)
17 \( 1 - 4.60iT - 17T^{2} \)
19 \( 1 + 4.60iT - 19T^{2} \)
23 \( 1 - 1.39iT - 23T^{2} \)
29 \( 1 + 4.60T + 29T^{2} \)
31 \( 1 + 6iT - 31T^{2} \)
37 \( 1 + 9.21T + 37T^{2} \)
41 \( 1 + 3.21iT - 41T^{2} \)
43 \( 1 + 8iT - 43T^{2} \)
47 \( 1 + 9.21T + 47T^{2} \)
53 \( 1 + 6iT - 53T^{2} \)
59 \( 1 + 9.21iT - 59T^{2} \)
61 \( 1 + 11.2T + 61T^{2} \)
67 \( 1 + 3.21T + 67T^{2} \)
71 \( 1 + 9.21iT - 71T^{2} \)
73 \( 1 - 1.39T + 73T^{2} \)
79 \( 1 - 14.4T + 79T^{2} \)
83 \( 1 + 2.78T + 83T^{2} \)
89 \( 1 - 15.2iT - 89T^{2} \)
97 \( 1 - 1.39T + 97T^{2} \)
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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

−9.133160596343358663695488347411, −8.145304537684110307765091856218, −7.13609483125820731095372293368, −6.37045252614063699244006240248, −5.72112294178280398128632622560, −4.90625525793953494770958442574, −3.56807533425003467440536102940, −3.47469200786579509389468025975, −2.24043676272295136540204710656, −0.19012181532469475818470822057, 1.58760189885370575688140573628, 2.85211539484808619584146735228, 3.44860185356812026048931930270, 4.50999007290869629836975895257, 5.59824211713860969595472237013, 6.35927774018892325852651043252, 6.87609889014198925526995957769, 7.54473255362990282546120780437, 8.727809578819048066326285069188, 9.472836873445225619334620277783

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