Properties

Label 315.2.t.a
Level 315
Weight 2
Character orbit 315.t
Analytic conductor 2.515
Analytic rank 0
Dimension 2
CM no
Inner twists 2

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Newspace parameters

Level: \( N \) = \( 315 = 3^{2} \cdot 5 \cdot 7 \)
Weight: \( k \) = \( 2 \)
Character orbit: \([\chi]\) = 315.t (of order \(6\), degree \(2\), minimal)

Newform invariants

Self dual: no
Analytic conductor: \(2.51528766367\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{6}]$

$q$-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.

\(f(q)\) \(=\) \( q + ( 1 - 2 \zeta_{6} ) q^{2} + ( -2 + \zeta_{6} ) q^{3} - q^{4} + ( 1 - \zeta_{6} ) q^{5} + 3 \zeta_{6} q^{6} + ( 1 + 2 \zeta_{6} ) q^{7} + ( 1 - 2 \zeta_{6} ) q^{8} + ( 3 - 3 \zeta_{6} ) q^{9} +O(q^{10})\) \( q + ( 1 - 2 \zeta_{6} ) q^{2} + ( -2 + \zeta_{6} ) q^{3} - q^{4} + ( 1 - \zeta_{6} ) q^{5} + 3 \zeta_{6} q^{6} + ( 1 + 2 \zeta_{6} ) q^{7} + ( 1 - 2 \zeta_{6} ) q^{8} + ( 3 - 3 \zeta_{6} ) q^{9} + ( -1 - \zeta_{6} ) q^{10} + ( -4 + 2 \zeta_{6} ) q^{11} + ( 2 - \zeta_{6} ) q^{12} + ( 8 - 4 \zeta_{6} ) q^{13} + ( 5 - 4 \zeta_{6} ) q^{14} + ( -1 + 2 \zeta_{6} ) q^{15} -5 q^{16} + ( 6 - 6 \zeta_{6} ) q^{17} + ( -3 - 3 \zeta_{6} ) q^{18} + ( -1 + \zeta_{6} ) q^{20} + ( -4 - \zeta_{6} ) q^{21} + 6 \zeta_{6} q^{22} + ( -3 - 3 \zeta_{6} ) q^{23} + 3 \zeta_{6} q^{24} -\zeta_{6} q^{25} -12 \zeta_{6} q^{26} + ( -3 + 6 \zeta_{6} ) q^{27} + ( -1 - 2 \zeta_{6} ) q^{28} + 3 q^{30} + ( 2 - 4 \zeta_{6} ) q^{31} + ( -3 + 6 \zeta_{6} ) q^{32} + ( 6 - 6 \zeta_{6} ) q^{33} + ( -6 - 6 \zeta_{6} ) q^{34} + ( 3 - \zeta_{6} ) q^{35} + ( -3 + 3 \zeta_{6} ) q^{36} + 2 \zeta_{6} q^{37} + ( -12 + 12 \zeta_{6} ) q^{39} + ( -1 - \zeta_{6} ) q^{40} + 6 \zeta_{6} q^{41} + ( -6 + 9 \zeta_{6} ) q^{42} + ( -1 + \zeta_{6} ) q^{43} + ( 4 - 2 \zeta_{6} ) q^{44} -3 \zeta_{6} q^{45} + ( -9 + 9 \zeta_{6} ) q^{46} + 9 q^{47} + ( 10 - 5 \zeta_{6} ) q^{48} + ( -3 + 8 \zeta_{6} ) q^{49} + ( -2 + \zeta_{6} ) q^{50} + ( -6 + 12 \zeta_{6} ) q^{51} + ( -8 + 4 \zeta_{6} ) q^{52} + ( 2 + 2 \zeta_{6} ) q^{53} + 9 q^{54} + ( -2 + 4 \zeta_{6} ) q^{55} + ( 5 - 4 \zeta_{6} ) q^{56} + ( 1 - 2 \zeta_{6} ) q^{60} + ( -7 + 14 \zeta_{6} ) q^{61} -6 q^{62} + ( 9 - 3 \zeta_{6} ) q^{63} - q^{64} + ( 4 - 8 \zeta_{6} ) q^{65} + ( -6 - 6 \zeta_{6} ) q^{66} + 5 q^{67} + ( -6 + 6 \zeta_{6} ) q^{68} + 9 q^{69} + ( 1 - 5 \zeta_{6} ) q^{70} + ( 4 - 8 \zeta_{6} ) q^{71} + ( -3 - 3 \zeta_{6} ) q^{72} + ( -6 - 6 \zeta_{6} ) q^{73} + ( 4 - 2 \zeta_{6} ) q^{74} + ( 1 + \zeta_{6} ) q^{75} + ( -8 - 2 \zeta_{6} ) q^{77} + ( 12 + 12 \zeta_{6} ) q^{78} -10 q^{79} + ( -5 + 5 \zeta_{6} ) q^{80} -9 \zeta_{6} q^{81} + ( 12 - 6 \zeta_{6} ) q^{82} + ( -12 + 12 \zeta_{6} ) q^{83} + ( 4 + \zeta_{6} ) q^{84} -6 \zeta_{6} q^{85} + ( 1 + \zeta_{6} ) q^{86} + 6 \zeta_{6} q^{88} + 15 \zeta_{6} q^{89} + ( -6 + 3 \zeta_{6} ) q^{90} + ( 16 + 4 \zeta_{6} ) q^{91} + ( 3 + 3 \zeta_{6} ) q^{92} + 6 \zeta_{6} q^{93} + ( 9 - 18 \zeta_{6} ) q^{94} -9 \zeta_{6} q^{96} + ( 4 + 4 \zeta_{6} ) q^{97} + ( 13 - 2 \zeta_{6} ) q^{98} + ( -6 + 12 \zeta_{6} ) q^{99} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q - 3q^{3} - 2q^{4} + q^{5} + 3q^{6} + 4q^{7} + 3q^{9} + O(q^{10}) \) \( 2q - 3q^{3} - 2q^{4} + q^{5} + 3q^{6} + 4q^{7} + 3q^{9} - 3q^{10} - 6q^{11} + 3q^{12} + 12q^{13} + 6q^{14} - 10q^{16} + 6q^{17} - 9q^{18} - q^{20} - 9q^{21} + 6q^{22} - 9q^{23} + 3q^{24} - q^{25} - 12q^{26} - 4q^{28} + 6q^{30} + 6q^{33} - 18q^{34} + 5q^{35} - 3q^{36} + 2q^{37} - 12q^{39} - 3q^{40} + 6q^{41} - 3q^{42} - q^{43} + 6q^{44} - 3q^{45} - 9q^{46} + 18q^{47} + 15q^{48} + 2q^{49} - 3q^{50} - 12q^{52} + 6q^{53} + 18q^{54} + 6q^{56} - 12q^{62} + 15q^{63} - 2q^{64} - 18q^{66} + 10q^{67} - 6q^{68} + 18q^{69} - 3q^{70} - 9q^{72} - 18q^{73} + 6q^{74} + 3q^{75} - 18q^{77} + 36q^{78} - 20q^{79} - 5q^{80} - 9q^{81} + 18q^{82} - 12q^{83} + 9q^{84} - 6q^{85} + 3q^{86} + 6q^{88} + 15q^{89} - 9q^{90} + 36q^{91} + 9q^{92} + 6q^{93} - 9q^{96} + 12q^{97} + 24q^{98} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/315\mathbb{Z}\right)^\times\).

\(n\) \(127\) \(136\) \(281\)
\(\chi(n)\) \(1\) \(\zeta_{6}\) \(\zeta_{6}\)

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 \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
101.1
0.500000 + 0.866025i
0.500000 0.866025i
1.73205i −1.50000 + 0.866025i −1.00000 0.500000 0.866025i 1.50000 + 2.59808i 2.00000 + 1.73205i 1.73205i 1.50000 2.59808i −1.50000 0.866025i
131.1 1.73205i −1.50000 0.866025i −1.00000 0.500000 + 0.866025i 1.50000 2.59808i 2.00000 1.73205i 1.73205i 1.50000 + 2.59808i −1.50000 + 0.866025i
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
63.i even 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 315.2.t.a 2
3.b odd 2 1 945.2.t.a 2
7.d odd 6 1 315.2.be.a yes 2
9.c even 3 1 945.2.be.a 2
9.d odd 6 1 315.2.be.a yes 2
21.g even 6 1 945.2.be.a 2
63.i even 6 1 inner 315.2.t.a 2
63.t odd 6 1 945.2.t.a 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
315.2.t.a 2 1.a even 1 1 trivial
315.2.t.a 2 63.i even 6 1 inner
315.2.be.a yes 2 7.d odd 6 1
315.2.be.a yes 2 9.d odd 6 1
945.2.t.a 2 3.b odd 2 1
945.2.t.a 2 63.t odd 6 1
945.2.be.a 2 9.c even 3 1
945.2.be.a 2 21.g even 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{2} + 3 \) acting on \(S_{2}^{\mathrm{new}}(315, [\chi])\).

Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ \( 1 - T^{2} + 4 T^{4} \)
$3$ \( 1 + 3 T + 3 T^{2} \)
$5$ \( 1 - T + T^{2} \)
$7$ \( 1 - 4 T + 7 T^{2} \)
$11$ \( 1 + 6 T + 23 T^{2} + 66 T^{3} + 121 T^{4} \)
$13$ \( ( 1 - 7 T + 13 T^{2} )( 1 - 5 T + 13 T^{2} ) \)
$17$ \( 1 - 6 T + 19 T^{2} - 102 T^{3} + 289 T^{4} \)
$19$ \( 1 + 19 T^{2} + 361 T^{4} \)
$23$ \( 1 + 9 T + 50 T^{2} + 207 T^{3} + 529 T^{4} \)
$29$ \( 1 + 29 T^{2} + 841 T^{4} \)
$31$ \( 1 - 50 T^{2} + 961 T^{4} \)
$37$ \( 1 - 2 T - 33 T^{2} - 74 T^{3} + 1369 T^{4} \)
$41$ \( 1 - 6 T - 5 T^{2} - 246 T^{3} + 1681 T^{4} \)
$43$ \( 1 + T - 42 T^{2} + 43 T^{3} + 1849 T^{4} \)
$47$ \( ( 1 - 9 T + 47 T^{2} )^{2} \)
$53$ \( 1 - 6 T + 65 T^{2} - 318 T^{3} + 2809 T^{4} \)
$59$ \( ( 1 + 59 T^{2} )^{2} \)
$61$ \( 1 + 25 T^{2} + 3721 T^{4} \)
$67$ \( ( 1 - 5 T + 67 T^{2} )^{2} \)
$71$ \( 1 - 94 T^{2} + 5041 T^{4} \)
$73$ \( 1 + 18 T + 181 T^{2} + 1314 T^{3} + 5329 T^{4} \)
$79$ \( ( 1 + 10 T + 79 T^{2} )^{2} \)
$83$ \( 1 + 12 T + 61 T^{2} + 996 T^{3} + 6889 T^{4} \)
$89$ \( 1 - 15 T + 136 T^{2} - 1335 T^{3} + 7921 T^{4} \)
$97$ \( 1 - 12 T + 145 T^{2} - 1164 T^{3} + 9409 T^{4} \)
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