Properties

Label 1815.2.a.m
Level $1815$
Weight $2$
Character orbit 1815.a
Self dual yes
Analytic conductor $14.493$
Analytic rank $0$
Dimension $3$
CM no
Inner twists $1$

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Newspace parameters

Level: \( N \) \(=\) \( 1815 = 3 \cdot 5 \cdot 11^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1815.a (trivial)

Newform invariants

Self dual: yes
Analytic conductor: \(14.4928479669\)
Analytic rank: \(0\)
Dimension: \(3\)
Coefficient field: 3.3.148.1
Defining polynomial: \(x^{3} - x^{2} - 3 x + 1\)
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 2 \)
Twist minimal: no (minimal twist has level 165)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\beta_2\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{1} q^{2} + q^{3} + ( 1 + \beta_{1} + \beta_{2} ) q^{4} + q^{5} + \beta_{1} q^{6} + ( -\beta_{1} + \beta_{2} ) q^{7} + ( 2 + 2 \beta_{1} + \beta_{2} ) q^{8} + q^{9} +O(q^{10})\) \( q + \beta_{1} q^{2} + q^{3} + ( 1 + \beta_{1} + \beta_{2} ) q^{4} + q^{5} + \beta_{1} q^{6} + ( -\beta_{1} + \beta_{2} ) q^{7} + ( 2 + 2 \beta_{1} + \beta_{2} ) q^{8} + q^{9} + \beta_{1} q^{10} + ( 1 + \beta_{1} + \beta_{2} ) q^{12} + ( \beta_{1} + \beta_{2} ) q^{13} + ( -4 + \beta_{1} - \beta_{2} ) q^{14} + q^{15} + ( 3 + 4 \beta_{1} ) q^{16} + ( 2 - 3 \beta_{1} - \beta_{2} ) q^{17} + \beta_{1} q^{18} + ( -2 - 2 \beta_{2} ) q^{19} + ( 1 + \beta_{1} + \beta_{2} ) q^{20} + ( -\beta_{1} + \beta_{2} ) q^{21} + ( -2 \beta_{1} + 2 \beta_{2} ) q^{23} + ( 2 + 2 \beta_{1} + \beta_{2} ) q^{24} + q^{25} + ( 2 + 3 \beta_{1} + \beta_{2} ) q^{26} + q^{27} + ( 4 - 3 \beta_{1} - \beta_{2} ) q^{28} + ( 4 - 2 \beta_{1} ) q^{29} + \beta_{1} q^{30} + ( 4 - 2 \beta_{1} - 2 \beta_{2} ) q^{31} + ( 8 + 3 \beta_{1} + 2 \beta_{2} ) q^{32} + ( -8 - 3 \beta_{1} - 3 \beta_{2} ) q^{34} + ( -\beta_{1} + \beta_{2} ) q^{35} + ( 1 + \beta_{1} + \beta_{2} ) q^{36} -2 q^{37} + ( 2 - 6 \beta_{1} ) q^{38} + ( \beta_{1} + \beta_{2} ) q^{39} + ( 2 + 2 \beta_{1} + \beta_{2} ) q^{40} + ( 4 + 2 \beta_{1} ) q^{41} + ( -4 + \beta_{1} - \beta_{2} ) q^{42} + ( -\beta_{1} - 3 \beta_{2} ) q^{43} + q^{45} + ( -8 + 2 \beta_{1} - 2 \beta_{2} ) q^{46} + ( -4 + 2 \beta_{1} + 2 \beta_{2} ) q^{47} + ( 3 + 4 \beta_{1} ) q^{48} + ( 5 - 4 \beta_{1} ) q^{49} + \beta_{1} q^{50} + ( 2 - 3 \beta_{1} - \beta_{2} ) q^{51} + ( 8 + 5 \beta_{1} + \beta_{2} ) q^{52} + ( -2 + 2 \beta_{1} - 2 \beta_{2} ) q^{53} + \beta_{1} q^{54} + ( -3 \beta_{1} - \beta_{2} ) q^{56} + ( -2 - 2 \beta_{2} ) q^{57} + ( -6 + 2 \beta_{1} - 2 \beta_{2} ) q^{58} + ( 4 + 2 \beta_{1} - 2 \beta_{2} ) q^{59} + ( 1 + \beta_{1} + \beta_{2} ) q^{60} + ( 2 + 2 \beta_{1} - 2 \beta_{2} ) q^{61} + ( -4 - 2 \beta_{1} - 2 \beta_{2} ) q^{62} + ( -\beta_{1} + \beta_{2} ) q^{63} + ( 1 + 7 \beta_{1} + 3 \beta_{2} ) q^{64} + ( \beta_{1} + \beta_{2} ) q^{65} + ( -2 \beta_{1} - 2 \beta_{2} ) q^{67} + ( -10 - 11 \beta_{1} - \beta_{2} ) q^{68} + ( -2 \beta_{1} + 2 \beta_{2} ) q^{69} + ( -4 + \beta_{1} - \beta_{2} ) q^{70} + ( 4 - 2 \beta_{1} - 2 \beta_{2} ) q^{71} + ( 2 + 2 \beta_{1} + \beta_{2} ) q^{72} + ( 4 + 3 \beta_{1} - \beta_{2} ) q^{73} -2 \beta_{1} q^{74} + q^{75} + ( -14 - 4 \beta_{1} - 2 \beta_{2} ) q^{76} + ( 2 + 3 \beta_{1} + \beta_{2} ) q^{78} + ( -6 + 4 \beta_{1} + 2 \beta_{2} ) q^{79} + ( 3 + 4 \beta_{1} ) q^{80} + q^{81} + ( 6 + 6 \beta_{1} + 2 \beta_{2} ) q^{82} + ( -2 + 3 \beta_{1} + 3 \beta_{2} ) q^{83} + ( 4 - 3 \beta_{1} - \beta_{2} ) q^{84} + ( 2 - 3 \beta_{1} - \beta_{2} ) q^{85} + ( -7 \beta_{1} - \beta_{2} ) q^{86} + ( 4 - 2 \beta_{1} ) q^{87} + ( -2 - 4 \beta_{1} ) q^{89} + \beta_{1} q^{90} + ( 4 - 2 \beta_{1} - 2 \beta_{2} ) q^{91} + ( 8 - 6 \beta_{1} - 2 \beta_{2} ) q^{92} + ( 4 - 2 \beta_{1} - 2 \beta_{2} ) q^{93} + ( 4 + 2 \beta_{1} + 2 \beta_{2} ) q^{94} + ( -2 - 2 \beta_{2} ) q^{95} + ( 8 + 3 \beta_{1} + 2 \beta_{2} ) q^{96} + ( 6 + 2 \beta_{1} + 2 \beta_{2} ) q^{97} + ( -12 + \beta_{1} - 4 \beta_{2} ) q^{98} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3q + q^{2} + 3q^{3} + 5q^{4} + 3q^{5} + q^{6} + 9q^{8} + 3q^{9} + O(q^{10}) \) \( 3q + q^{2} + 3q^{3} + 5q^{4} + 3q^{5} + q^{6} + 9q^{8} + 3q^{9} + q^{10} + 5q^{12} + 2q^{13} - 12q^{14} + 3q^{15} + 13q^{16} + 2q^{17} + q^{18} - 8q^{19} + 5q^{20} + 9q^{24} + 3q^{25} + 10q^{26} + 3q^{27} + 8q^{28} + 10q^{29} + q^{30} + 8q^{31} + 29q^{32} - 30q^{34} + 5q^{36} - 6q^{37} + 2q^{39} + 9q^{40} + 14q^{41} - 12q^{42} - 4q^{43} + 3q^{45} - 24q^{46} - 8q^{47} + 13q^{48} + 11q^{49} + q^{50} + 2q^{51} + 30q^{52} - 6q^{53} + q^{54} - 4q^{56} - 8q^{57} - 18q^{58} + 12q^{59} + 5q^{60} + 6q^{61} - 16q^{62} + 13q^{64} + 2q^{65} - 4q^{67} - 42q^{68} - 12q^{70} + 8q^{71} + 9q^{72} + 14q^{73} - 2q^{74} + 3q^{75} - 48q^{76} + 10q^{78} - 12q^{79} + 13q^{80} + 3q^{81} + 26q^{82} + 8q^{84} + 2q^{85} - 8q^{86} + 10q^{87} - 10q^{89} + q^{90} + 8q^{91} + 16q^{92} + 8q^{93} + 16q^{94} - 8q^{95} + 29q^{96} + 22q^{97} - 39q^{98} + O(q^{100}) \)

Basis of coefficient ring in terms of a root \(\nu\) of \(x^{3} - x^{2} - 3 x + 1\):

\(\beta_{0}\)\(=\)\( 1 \)
\(\beta_{1}\)\(=\)\( \nu^{2} - 2 \)
\(\beta_{2}\)\(=\)\( -\nu^{2} + 2 \nu + 2 \)
\(1\)\(=\)\(\beta_0\)
\(\nu\)\(=\)\((\)\(\beta_{2} + \beta_{1}\)\()/2\)
\(\nu^{2}\)\(=\)\(\beta_{1} + 2\)

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 \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
0.311108
−1.48119
2.17009
−1.90321 1.00000 1.62222 1.00000 −1.90321 4.42864 0.719004 1.00000 −1.90321
1.2 0.193937 1.00000 −1.96239 1.00000 0.193937 −3.35026 −0.768452 1.00000 0.193937
1.3 2.70928 1.00000 5.34017 1.00000 2.70928 −1.07838 9.04945 1.00000 2.70928
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \(-1\)
\(5\) \(-1\)
\(11\) \(-1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1815.2.a.m 3
3.b odd 2 1 5445.2.a.z 3
5.b even 2 1 9075.2.a.cf 3
11.b odd 2 1 165.2.a.c 3
33.d even 2 1 495.2.a.e 3
44.c even 2 1 2640.2.a.be 3
55.d odd 2 1 825.2.a.k 3
55.e even 4 2 825.2.c.g 6
77.b even 2 1 8085.2.a.bk 3
132.d odd 2 1 7920.2.a.cj 3
165.d even 2 1 2475.2.a.bb 3
165.l odd 4 2 2475.2.c.r 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
165.2.a.c 3 11.b odd 2 1
495.2.a.e 3 33.d even 2 1
825.2.a.k 3 55.d odd 2 1
825.2.c.g 6 55.e even 4 2
1815.2.a.m 3 1.a even 1 1 trivial
2475.2.a.bb 3 165.d even 2 1
2475.2.c.r 6 165.l odd 4 2
2640.2.a.be 3 44.c even 2 1
5445.2.a.z 3 3.b odd 2 1
7920.2.a.cj 3 132.d odd 2 1
8085.2.a.bk 3 77.b even 2 1
9075.2.a.cf 3 5.b even 2 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(1815))\):

\( T_{2}^{3} - T_{2}^{2} - 5 T_{2} + 1 \)
\( T_{7}^{3} - 16 T_{7} - 16 \)

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( 1 - 5 T - T^{2} + T^{3} \)
$3$ \( ( -1 + T )^{3} \)
$5$ \( ( -1 + T )^{3} \)
$7$ \( -16 - 16 T + T^{3} \)
$11$ \( T^{3} \)
$13$ \( 8 - 12 T - 2 T^{2} + T^{3} \)
$17$ \( 184 - 52 T - 2 T^{2} + T^{3} \)
$19$ \( -160 - 16 T + 8 T^{2} + T^{3} \)
$23$ \( -128 - 64 T + T^{3} \)
$29$ \( 40 + 12 T - 10 T^{2} + T^{3} \)
$31$ \( 128 - 32 T - 8 T^{2} + T^{3} \)
$37$ \( ( 2 + T )^{3} \)
$41$ \( -8 + 44 T - 14 T^{2} + T^{3} \)
$43$ \( -400 - 80 T + 4 T^{2} + T^{3} \)
$47$ \( -128 - 32 T + 8 T^{2} + T^{3} \)
$53$ \( 8 - 52 T + 6 T^{2} + T^{3} \)
$59$ \( 320 - 16 T - 12 T^{2} + T^{3} \)
$61$ \( 248 - 52 T - 6 T^{2} + T^{3} \)
$67$ \( -64 - 48 T + 4 T^{2} + T^{3} \)
$71$ \( 128 - 32 T - 8 T^{2} + T^{3} \)
$73$ \( 344 + 4 T - 14 T^{2} + T^{3} \)
$79$ \( -800 - 64 T + 12 T^{2} + T^{3} \)
$83$ \( -16 - 120 T + T^{3} \)
$89$ \( -200 - 52 T + 10 T^{2} + T^{3} \)
$97$ \( -8 + 108 T - 22 T^{2} + T^{3} \)
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