Properties

Label 756.2.l.a
Level 756
Weight 2
Character orbit 756.l
Analytic conductor 6.037
Analytic rank 0
Dimension 2
CM no
Inner twists 2

Related objects

Downloads

Learn more about

Newspace parameters

Level: \( N \) = \( 756 = 2^{2} \cdot 3^{3} \cdot 7 \)
Weight: \( k \) = \( 2 \)
Character orbit: \([\chi]\) = 756.l (of order \(3\), degree \(2\), not minimal)

Newform invariants

Self dual: no
Analytic conductor: \(6.03669039281\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{-3}) \)
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 252)
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.

\(f(q)\) \(=\) \( q -2 q^{5} + ( 3 - 2 \zeta_{6} ) q^{7} +O(q^{10})\) \( q -2 q^{5} + ( 3 - 2 \zeta_{6} ) q^{7} -4 q^{11} + ( -3 + 3 \zeta_{6} ) q^{13} + ( 7 - 7 \zeta_{6} ) q^{17} -5 \zeta_{6} q^{19} -4 q^{23} - q^{25} -\zeta_{6} q^{29} + 3 \zeta_{6} q^{31} + ( -6 + 4 \zeta_{6} ) q^{35} -11 \zeta_{6} q^{37} + ( -9 + 9 \zeta_{6} ) q^{41} -5 \zeta_{6} q^{43} + ( 3 - 3 \zeta_{6} ) q^{47} + ( 5 - 8 \zeta_{6} ) q^{49} + ( 3 - 3 \zeta_{6} ) q^{53} + 8 q^{55} -7 \zeta_{6} q^{59} + ( -3 + 3 \zeta_{6} ) q^{61} + ( 6 - 6 \zeta_{6} ) q^{65} -13 \zeta_{6} q^{67} + 8 q^{71} + ( -7 + 7 \zeta_{6} ) q^{73} + ( -12 + 8 \zeta_{6} ) q^{77} + ( 9 - 9 \zeta_{6} ) q^{79} + \zeta_{6} q^{83} + ( -14 + 14 \zeta_{6} ) q^{85} + 15 \zeta_{6} q^{89} + ( -3 + 9 \zeta_{6} ) q^{91} + 10 \zeta_{6} q^{95} + 17 \zeta_{6} q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2q - 4q^{5} + 4q^{7} + O(q^{10}) \) \( 2q - 4q^{5} + 4q^{7} - 8q^{11} - 3q^{13} + 7q^{17} - 5q^{19} - 8q^{23} - 2q^{25} - q^{29} + 3q^{31} - 8q^{35} - 11q^{37} - 9q^{41} - 5q^{43} + 3q^{47} + 2q^{49} + 3q^{53} + 16q^{55} - 7q^{59} - 3q^{61} + 6q^{65} - 13q^{67} + 16q^{71} - 7q^{73} - 16q^{77} + 9q^{79} + q^{83} - 14q^{85} + 15q^{89} + 3q^{91} + 10q^{95} + 17q^{97} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/756\mathbb{Z}\right)^\times\).

\(n\) \(29\) \(325\) \(379\)
\(\chi(n)\) \(-1 + \zeta_{6}\) \(-\zeta_{6}\) \(1\)

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 \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
289.1
0.500000 0.866025i
0.500000 + 0.866025i
0 0 0 −2.00000 0 2.00000 + 1.73205i 0 0 0
361.1 0 0 0 −2.00000 0 2.00000 1.73205i 0 0 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
63.g even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 756.2.l.a 2
3.b odd 2 1 252.2.l.a yes 2
4.b odd 2 1 3024.2.t.b 2
7.b odd 2 1 5292.2.l.b 2
7.c even 3 1 756.2.i.a 2
7.c even 3 1 5292.2.j.c 2
7.d odd 6 1 5292.2.i.b 2
7.d odd 6 1 5292.2.j.b 2
9.c even 3 1 756.2.i.a 2
9.c even 3 1 2268.2.k.b 2
9.d odd 6 1 252.2.i.a 2
9.d odd 6 1 2268.2.k.a 2
12.b even 2 1 1008.2.t.b 2
21.c even 2 1 1764.2.l.b 2
21.g even 6 1 1764.2.i.b 2
21.g even 6 1 1764.2.j.a 2
21.h odd 6 1 252.2.i.a 2
21.h odd 6 1 1764.2.j.c 2
28.g odd 6 1 3024.2.q.e 2
36.f odd 6 1 3024.2.q.e 2
36.h even 6 1 1008.2.q.f 2
63.g even 3 1 inner 756.2.l.a 2
63.h even 3 1 2268.2.k.b 2
63.h even 3 1 5292.2.j.c 2
63.i even 6 1 1764.2.j.a 2
63.j odd 6 1 1764.2.j.c 2
63.j odd 6 1 2268.2.k.a 2
63.k odd 6 1 5292.2.l.b 2
63.l odd 6 1 5292.2.i.b 2
63.n odd 6 1 252.2.l.a yes 2
63.o even 6 1 1764.2.i.b 2
63.s even 6 1 1764.2.l.b 2
63.t odd 6 1 5292.2.j.b 2
84.n even 6 1 1008.2.q.f 2
252.o even 6 1 1008.2.t.b 2
252.bl odd 6 1 3024.2.t.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
252.2.i.a 2 9.d odd 6 1
252.2.i.a 2 21.h odd 6 1
252.2.l.a yes 2 3.b odd 2 1
252.2.l.a yes 2 63.n odd 6 1
756.2.i.a 2 7.c even 3 1
756.2.i.a 2 9.c even 3 1
756.2.l.a 2 1.a even 1 1 trivial
756.2.l.a 2 63.g even 3 1 inner
1008.2.q.f 2 36.h even 6 1
1008.2.q.f 2 84.n even 6 1
1008.2.t.b 2 12.b even 2 1
1008.2.t.b 2 252.o even 6 1
1764.2.i.b 2 21.g even 6 1
1764.2.i.b 2 63.o even 6 1
1764.2.j.a 2 21.g even 6 1
1764.2.j.a 2 63.i even 6 1
1764.2.j.c 2 21.h odd 6 1
1764.2.j.c 2 63.j odd 6 1
1764.2.l.b 2 21.c even 2 1
1764.2.l.b 2 63.s even 6 1
2268.2.k.a 2 9.d odd 6 1
2268.2.k.a 2 63.j odd 6 1
2268.2.k.b 2 9.c even 3 1
2268.2.k.b 2 63.h even 3 1
3024.2.q.e 2 28.g odd 6 1
3024.2.q.e 2 36.f odd 6 1
3024.2.t.b 2 4.b odd 2 1
3024.2.t.b 2 252.bl odd 6 1
5292.2.i.b 2 7.d odd 6 1
5292.2.i.b 2 63.l odd 6 1
5292.2.j.b 2 7.d odd 6 1
5292.2.j.b 2 63.t odd 6 1
5292.2.j.c 2 7.c even 3 1
5292.2.j.c 2 63.h even 3 1
5292.2.l.b 2 7.b odd 2 1
5292.2.l.b 2 63.k odd 6 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5} + 2 \) acting on \(S_{2}^{\mathrm{new}}(756, [\chi])\).

Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ 1
$3$ 1
$5$ \( ( 1 + 2 T + 5 T^{2} )^{2} \)
$7$ \( 1 - 4 T + 7 T^{2} \)
$11$ \( ( 1 + 4 T + 11 T^{2} )^{2} \)
$13$ \( 1 + 3 T - 4 T^{2} + 39 T^{3} + 169 T^{4} \)
$17$ \( 1 - 7 T + 32 T^{2} - 119 T^{3} + 289 T^{4} \)
$19$ \( 1 + 5 T + 6 T^{2} + 95 T^{3} + 361 T^{4} \)
$23$ \( ( 1 + 4 T + 23 T^{2} )^{2} \)
$29$ \( 1 + T - 28 T^{2} + 29 T^{3} + 841 T^{4} \)
$31$ \( 1 - 3 T - 22 T^{2} - 93 T^{3} + 961 T^{4} \)
$37$ \( ( 1 + T + 37 T^{2} )( 1 + 10 T + 37 T^{2} ) \)
$41$ \( 1 + 9 T + 40 T^{2} + 369 T^{3} + 1681 T^{4} \)
$43$ \( ( 1 - 8 T + 43 T^{2} )( 1 + 13 T + 43 T^{2} ) \)
$47$ \( 1 - 3 T - 38 T^{2} - 141 T^{3} + 2209 T^{4} \)
$53$ \( 1 - 3 T - 44 T^{2} - 159 T^{3} + 2809 T^{4} \)
$59$ \( 1 + 7 T - 10 T^{2} + 413 T^{3} + 3481 T^{4} \)
$61$ \( 1 + 3 T - 52 T^{2} + 183 T^{3} + 3721 T^{4} \)
$67$ \( 1 + 13 T + 102 T^{2} + 871 T^{3} + 4489 T^{4} \)
$71$ \( ( 1 - 8 T + 71 T^{2} )^{2} \)
$73$ \( ( 1 - 10 T + 73 T^{2} )( 1 + 17 T + 73 T^{2} ) \)
$79$ \( 1 - 9 T + 2 T^{2} - 711 T^{3} + 6241 T^{4} \)
$83$ \( 1 - T - 82 T^{2} - 83 T^{3} + 6889 T^{4} \)
$89$ \( 1 - 15 T + 136 T^{2} - 1335 T^{3} + 7921 T^{4} \)
$97$ \( 1 - 17 T + 192 T^{2} - 1649 T^{3} + 9409 T^{4} \)
show more
show less