Properties

Label 2-672-8.5-c1-0-3
Degree $2$
Conductor $672$
Sign $-0.258 - 0.965i$
Analytic cond. $5.36594$
Root an. cond. $2.31645$
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  + i·3-s + 0.732i·5-s + 7-s − 9-s + 1.26i·11-s + 5.46i·13-s − 0.732·15-s − 4.19·17-s − 0.535i·19-s + i·21-s + 3.26·23-s + 4.46·25-s i·27-s + 3.46i·29-s − 2·31-s + ⋯
L(s)  = 1  + 0.577i·3-s + 0.327i·5-s + 0.377·7-s − 0.333·9-s + 0.382i·11-s + 1.51i·13-s − 0.189·15-s − 1.01·17-s − 0.122i·19-s + 0.218i·21-s + 0.681·23-s + 0.892·25-s − 0.192i·27-s + 0.643i·29-s − 0.359·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.258 - 0.965i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.258 - 0.965i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(672\)    =    \(2^{5} \cdot 3 \cdot 7\)
Sign: $-0.258 - 0.965i$
Analytic conductor: \(5.36594\)
Root analytic conductor: \(2.31645\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{672} (337, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 672,\ (\ :1/2),\ -0.258 - 0.965i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.811412 + 1.05745i\)
\(L(\frac12)\) \(\approx\) \(0.811412 + 1.05745i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 - iT \)
7 \( 1 - T \)
good5 \( 1 - 0.732iT - 5T^{2} \)
11 \( 1 - 1.26iT - 11T^{2} \)
13 \( 1 - 5.46iT - 13T^{2} \)
17 \( 1 + 4.19T + 17T^{2} \)
19 \( 1 + 0.535iT - 19T^{2} \)
23 \( 1 - 3.26T + 23T^{2} \)
29 \( 1 - 3.46iT - 29T^{2} \)
31 \( 1 + 2T + 31T^{2} \)
37 \( 1 - 8.92iT - 37T^{2} \)
41 \( 1 + 9.66T + 41T^{2} \)
43 \( 1 - 7.46iT - 43T^{2} \)
47 \( 1 + 47T^{2} \)
53 \( 1 + 10.3iT - 53T^{2} \)
59 \( 1 - 14.9iT - 59T^{2} \)
61 \( 1 + 6.92iT - 61T^{2} \)
67 \( 1 + 6iT - 67T^{2} \)
71 \( 1 + 7.26T + 71T^{2} \)
73 \( 1 - 15.4T + 73T^{2} \)
79 \( 1 - 12.3T + 79T^{2} \)
83 \( 1 + 1.46iT - 83T^{2} \)
89 \( 1 - 6.73T + 89T^{2} \)
97 \( 1 + 4.53T + 97T^{2} \)
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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

−10.87385171694592293296401195070, −9.858088579659719051113970570919, −9.071410326285233454573930480092, −8.373207563877016072684889060545, −7.01969073645720311612967844410, −6.51979976680472075725341591515, −5.01238559126015744436922975078, −4.44171180471367354807683454683, −3.18083657379653966542518457480, −1.83789826925857281398348692097, 0.72040254140763017645693044492, 2.27038949755171512293374957717, 3.50704449651644137770354065918, 4.91145292875108467442409102525, 5.69279163159107495288387391420, 6.76621368751419490871232232448, 7.69553570883264387635495102050, 8.474914603931418842417198191066, 9.169133722923300492357322001917, 10.49078255514813676200298900352

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