Properties

Label 2-378-3.2-c4-0-11
Degree $2$
Conductor $378$
Sign $-i$
Analytic cond. $39.0738$
Root an. cond. $6.25090$
Motivic weight $4$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.82i·2-s − 8.00·4-s + 3.12i·5-s + 18.5·7-s − 22.6i·8-s − 8.83·10-s − 141. i·11-s − 237.·13-s + 52.3i·14-s + 64.0·16-s + 394. i·17-s + 535.·19-s − 24.9i·20-s + 399.·22-s + 487. i·23-s + ⋯
L(s)  = 1  + 0.707i·2-s − 0.500·4-s + 0.124i·5-s + 0.377·7-s − 0.353i·8-s − 0.0883·10-s − 1.16i·11-s − 1.40·13-s + 0.267i·14-s + 0.250·16-s + 1.36i·17-s + 1.48·19-s − 0.0624i·20-s + 0.825·22-s + 0.922i·23-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 378 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(5-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 378 ^{s/2} \, \Gamma_{\C}(s+2) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(378\)    =    \(2 \cdot 3^{3} \cdot 7\)
Sign: $-i$
Analytic conductor: \(39.0738\)
Root analytic conductor: \(6.25090\)
Motivic weight: \(4\)
Rational: no
Arithmetic: yes
Character: $\chi_{378} (323, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 378,\ (\ :2),\ -i)\)

Particular Values

\(L(\frac{5}{2})\) \(\approx\) \(1.735166221\)
\(L(\frac12)\) \(\approx\) \(1.735166221\)
\(L(3)\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - 2.82iT \)
3 \( 1 \)
7 \( 1 - 18.5T \)
good5 \( 1 - 3.12iT - 625T^{2} \)
11 \( 1 + 141. iT - 1.46e4T^{2} \)
13 \( 1 + 237.T + 2.85e4T^{2} \)
17 \( 1 - 394. iT - 8.35e4T^{2} \)
19 \( 1 - 535.T + 1.30e5T^{2} \)
23 \( 1 - 487. iT - 2.79e5T^{2} \)
29 \( 1 + 1.20e3iT - 7.07e5T^{2} \)
31 \( 1 - 296.T + 9.23e5T^{2} \)
37 \( 1 + 380.T + 1.87e6T^{2} \)
41 \( 1 + 73.6iT - 2.82e6T^{2} \)
43 \( 1 - 2.91e3T + 3.41e6T^{2} \)
47 \( 1 - 2.84e3iT - 4.87e6T^{2} \)
53 \( 1 - 2.12e3iT - 7.89e6T^{2} \)
59 \( 1 - 5.48e3iT - 1.21e7T^{2} \)
61 \( 1 + 5.03e3T + 1.38e7T^{2} \)
67 \( 1 - 7.34e3T + 2.01e7T^{2} \)
71 \( 1 - 8.60e3iT - 2.54e7T^{2} \)
73 \( 1 - 2.16e3T + 2.83e7T^{2} \)
79 \( 1 + 5.79e3T + 3.89e7T^{2} \)
83 \( 1 - 2.41e3iT - 4.74e7T^{2} \)
89 \( 1 - 1.37e4iT - 6.27e7T^{2} \)
97 \( 1 - 1.06e4T + 8.85e7T^{2} \)
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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

−10.93744958514628521449300464950, −9.912252040574179845383198847193, −9.027041867575505351787770201805, −7.976761763694469571762801094497, −7.36095595098838234184190699548, −6.08839829813382690180738917483, −5.33468663190820876002492855372, −4.13228401241459460325864897792, −2.81506357174174296847056613641, −1.00285219598287761496904386527, 0.62457226908631819786229960391, 2.07371700635607461067188461107, 3.11699167478030340110464905887, 4.79658657927512058420665717745, 5.04642681252211928308151139578, 6.97443845668838276998404901059, 7.61056376847826960829489339485, 8.977654989018313465939235110399, 9.673289289774401291761896807214, 10.44942075322533712435678843689

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