Properties

Label 2-1875-5.4-c1-0-50
Degree $2$
Conductor $1875$
Sign $-i$
Analytic cond. $14.9719$
Root an. cond. $3.86936$
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  + 2.53i·2-s + i·3-s − 4.43·4-s − 2.53·6-s + 1.04i·7-s − 6.19i·8-s − 9-s + 2.97·11-s − 4.43i·12-s − 5.66i·13-s − 2.64·14-s + 6.83·16-s − 5.08i·17-s − 2.53i·18-s + 5.37·19-s + ⋯
L(s)  = 1  + 1.79i·2-s + 0.577i·3-s − 2.21·4-s − 1.03·6-s + 0.393i·7-s − 2.18i·8-s − 0.333·9-s + 0.895·11-s − 1.28i·12-s − 1.57i·13-s − 0.705·14-s + 1.70·16-s − 1.23i·17-s − 0.598i·18-s + 1.23·19-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1875 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1875 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1875\)    =    \(3 \cdot 5^{4}\)
Sign: $-i$
Analytic conductor: \(14.9719\)
Root analytic conductor: \(3.86936\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1875} (1249, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1875,\ (\ :1/2),\ -i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.366436912\)
\(L(\frac12)\) \(\approx\) \(1.366436912\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - iT \)
5 \( 1 \)
good2 \( 1 - 2.53iT - 2T^{2} \)
7 \( 1 - 1.04iT - 7T^{2} \)
11 \( 1 - 2.97T + 11T^{2} \)
13 \( 1 + 5.66iT - 13T^{2} \)
17 \( 1 + 5.08iT - 17T^{2} \)
19 \( 1 - 5.37T + 19T^{2} \)
23 \( 1 + 3.86iT - 23T^{2} \)
29 \( 1 + 0.679T + 29T^{2} \)
31 \( 1 - 0.850T + 31T^{2} \)
37 \( 1 + 1.61iT - 37T^{2} \)
41 \( 1 - 1.16T + 41T^{2} \)
43 \( 1 + 5.68iT - 43T^{2} \)
47 \( 1 - 3.28iT - 47T^{2} \)
53 \( 1 + 12.6iT - 53T^{2} \)
59 \( 1 + 3.21T + 59T^{2} \)
61 \( 1 + 5.42T + 61T^{2} \)
67 \( 1 + 0.929iT - 67T^{2} \)
71 \( 1 + 1.41T + 71T^{2} \)
73 \( 1 + 11.3iT - 73T^{2} \)
79 \( 1 - 1.44T + 79T^{2} \)
83 \( 1 - 11.4iT - 83T^{2} \)
89 \( 1 + 9.07T + 89T^{2} \)
97 \( 1 + 6.02iT - 97T^{2} \)
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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

−9.249781503929315256522302489120, −8.508337290933394314634702902734, −7.77545477120234156461915502648, −7.07643745902700609612302686346, −6.21181597646341764364863531204, −5.41000899711651088858648081152, −4.99231151932615563195233414445, −3.91748862617649803265502134519, −2.90414363961249670623488603184, −0.59242077661440399393963836408, 1.22796670126649240536462245496, 1.71070072929593261902882116411, 2.93869466149655848502294024055, 3.89421045776386897536304398106, 4.41879553237391627365874265945, 5.68382741413752426454997723746, 6.68936591116922847232611493900, 7.58179623870455721356965958219, 8.637152168984508140328931093341, 9.271731225616935042554552957679

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