Properties

Label 260.2.i.b
Level $260$
Weight $2$
Character orbit 260.i
Analytic conductor $2.076$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $2$

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Newspace parameters

Level: \( N \) \(=\) \( 260 = 2^{2} \cdot 5 \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 260.i (of order \(3\), degree \(2\), minimal)

Newform invariants

Self dual: no
Analytic conductor: \(2.07611045255\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
Defining polynomial: \(x^{2} - x + 1\)
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of a primitive root of unity \(\zeta_{6}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( -1 + \zeta_{6} ) q^{3} + q^{5} + \zeta_{6} q^{7} + 2 \zeta_{6} q^{9} +O(q^{10})\) \( q + ( -1 + \zeta_{6} ) q^{3} + q^{5} + \zeta_{6} q^{7} + 2 \zeta_{6} q^{9} + ( -3 + 3 \zeta_{6} ) q^{11} + ( 3 - 4 \zeta_{6} ) q^{13} + ( -1 + \zeta_{6} ) q^{15} + 3 \zeta_{6} q^{17} + 7 \zeta_{6} q^{19} - q^{21} + ( 3 - 3 \zeta_{6} ) q^{23} + q^{25} -5 q^{27} + ( -3 + 3 \zeta_{6} ) q^{29} -4 q^{31} -3 \zeta_{6} q^{33} + \zeta_{6} q^{35} + ( 7 - 7 \zeta_{6} ) q^{37} + ( 1 + 3 \zeta_{6} ) q^{39} + ( 9 - 9 \zeta_{6} ) q^{41} -11 \zeta_{6} q^{43} + 2 \zeta_{6} q^{45} + ( 6 - 6 \zeta_{6} ) q^{49} -3 q^{51} -6 q^{53} + ( -3 + 3 \zeta_{6} ) q^{55} -7 q^{57} + 3 \zeta_{6} q^{59} -11 \zeta_{6} q^{61} + ( -2 + 2 \zeta_{6} ) q^{63} + ( 3 - 4 \zeta_{6} ) q^{65} + ( 7 - 7 \zeta_{6} ) q^{67} + 3 \zeta_{6} q^{69} + 3 \zeta_{6} q^{71} + 2 q^{73} + ( -1 + \zeta_{6} ) q^{75} -3 q^{77} + 8 q^{79} + ( -1 + \zeta_{6} ) q^{81} -12 q^{83} + 3 \zeta_{6} q^{85} -3 \zeta_{6} q^{87} + ( -15 + 15 \zeta_{6} ) q^{89} + ( 4 - \zeta_{6} ) q^{91} + ( 4 - 4 \zeta_{6} ) q^{93} + 7 \zeta_{6} q^{95} + 7 \zeta_{6} q^{97} -6 q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q - q^{3} + 2q^{5} + q^{7} + 2q^{9} + O(q^{10}) \) \( 2q - q^{3} + 2q^{5} + q^{7} + 2q^{9} - 3q^{11} + 2q^{13} - q^{15} + 3q^{17} + 7q^{19} - 2q^{21} + 3q^{23} + 2q^{25} - 10q^{27} - 3q^{29} - 8q^{31} - 3q^{33} + q^{35} + 7q^{37} + 5q^{39} + 9q^{41} - 11q^{43} + 2q^{45} + 6q^{49} - 6q^{51} - 12q^{53} - 3q^{55} - 14q^{57} + 3q^{59} - 11q^{61} - 2q^{63} + 2q^{65} + 7q^{67} + 3q^{69} + 3q^{71} + 4q^{73} - q^{75} - 6q^{77} + 16q^{79} - q^{81} - 24q^{83} + 3q^{85} - 3q^{87} - 15q^{89} + 7q^{91} + 4q^{93} + 7q^{95} + 7q^{97} - 12q^{99} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/260\mathbb{Z}\right)^\times\).

\(n\) \(41\) \(131\) \(157\)
\(\chi(n)\) \(-\zeta_{6}\) \(1\) \(1\)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
61.1
0.500000 + 0.866025i
0.500000 0.866025i
0 −0.500000 + 0.866025i 0 1.00000 0 0.500000 + 0.866025i 0 1.00000 + 1.73205i 0
81.1 0 −0.500000 0.866025i 0 1.00000 0 0.500000 0.866025i 0 1.00000 1.73205i 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
13.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 260.2.i.b 2
3.b odd 2 1 2340.2.q.b 2
4.b odd 2 1 1040.2.q.j 2
5.b even 2 1 1300.2.i.e 2
5.c odd 4 2 1300.2.bb.a 4
13.c even 3 1 inner 260.2.i.b 2
13.c even 3 1 3380.2.a.h 1
13.e even 6 1 3380.2.a.g 1
13.f odd 12 2 3380.2.f.e 2
39.i odd 6 1 2340.2.q.b 2
52.j odd 6 1 1040.2.q.j 2
65.n even 6 1 1300.2.i.e 2
65.q odd 12 2 1300.2.bb.a 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
260.2.i.b 2 1.a even 1 1 trivial
260.2.i.b 2 13.c even 3 1 inner
1040.2.q.j 2 4.b odd 2 1
1040.2.q.j 2 52.j odd 6 1
1300.2.i.e 2 5.b even 2 1
1300.2.i.e 2 65.n even 6 1
1300.2.bb.a 4 5.c odd 4 2
1300.2.bb.a 4 65.q odd 12 2
2340.2.q.b 2 3.b odd 2 1
2340.2.q.b 2 39.i odd 6 1
3380.2.a.g 1 13.e even 6 1
3380.2.a.h 1 13.c even 3 1
3380.2.f.e 2 13.f odd 12 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(260, [\chi])\):

\( T_{3}^{2} + T_{3} + 1 \)
\( T_{19}^{2} - 7 T_{19} + 49 \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{2} \)
$3$ \( 1 + T + T^{2} \)
$5$ \( ( -1 + T )^{2} \)
$7$ \( 1 - T + T^{2} \)
$11$ \( 9 + 3 T + T^{2} \)
$13$ \( 13 - 2 T + T^{2} \)
$17$ \( 9 - 3 T + T^{2} \)
$19$ \( 49 - 7 T + T^{2} \)
$23$ \( 9 - 3 T + T^{2} \)
$29$ \( 9 + 3 T + T^{2} \)
$31$ \( ( 4 + T )^{2} \)
$37$ \( 49 - 7 T + T^{2} \)
$41$ \( 81 - 9 T + T^{2} \)
$43$ \( 121 + 11 T + T^{2} \)
$47$ \( T^{2} \)
$53$ \( ( 6 + T )^{2} \)
$59$ \( 9 - 3 T + T^{2} \)
$61$ \( 121 + 11 T + T^{2} \)
$67$ \( 49 - 7 T + T^{2} \)
$71$ \( 9 - 3 T + T^{2} \)
$73$ \( ( -2 + T )^{2} \)
$79$ \( ( -8 + T )^{2} \)
$83$ \( ( 12 + T )^{2} \)
$89$ \( 225 + 15 T + T^{2} \)
$97$ \( 49 - 7 T + T^{2} \)
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