LMFDB - Newform orbit 1760.2.a.i

Show commands: Magma / Pari/GP / SageMath

Newspace parameters

comment:Compute space of new eigenforms

gp:[N,k,chi] = [1760,2,Mod(1,1760)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)

sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(1760, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 0])) N = Newforms(chi, 2, names="a")

magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("1760.1"); S:= CuspForms(chi, 2); N := Newforms(S);

Level:	$ N $	$=$	$ 1760 = 2^{5} \cdot 5 \cdot 11 $
Weight:	$ k $	$=$	$ 2 $
Character orbit:	$[\chi]$	$=$	1760.a (trivial)

Newform invariants

comment:select newform

sage:traces = [1,0,1,0,-1,0,-3,0,-2,0,1] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(11)] == traces)

gp:f = lf[1] \\ Warning: the index may be different

Self dual:	yes
Analytic conductor:	$14.0536707557$
Analytic rank:	$0$
Dimension:	$1$
Coefficient field:	$\mathbb{Q}$
Coefficient ring:	$\mathbb{Z}$
Coefficient ring index:	$ 1 $
Twist minimal:	yes
Fricke sign:	$-1$
Sato-Tate group:	$\mathrm{SU}(2)$

$q$-expansion

comment:q-expansion

sage:f.q_expansion() # note that sage often uses an isomorphic number field

gp:mfcoefs(f, 20)

$f(q)$

$=$

$ q + q^{3} - q^{5} - 3 q^{7} - 2 q^{9} + q^{11} - 2 q^{13} - q^{15} + 7 q^{17} + 5 q^{19} - 3 q^{21} + 2 q^{23} + q^{25} - 5 q^{27} - 3 q^{29} + 5 q^{31} + q^{33} + 3 q^{35} + 5 q^{37} - 2 q^{39}+ \cdots - 2 q^{99}+O(q^{100}) $

q + q^3 - q^5 - 3 * q^7 - 2 * q^9 + q^11 - 2 * q^13 - q^15 + 7 * q^17 + 5 * q^19 - 3 * q^21 + 2 * q^23 + q^25 - 5 * q^27 - 3 * q^29 + 5 * q^31 + q^33 + 3 * q^35 + 5 * q^37 - 2 * q^39 + 2 * q^41 + 8 * q^43 + 2 * q^45 + 10 * q^47 + 2 * q^49 + 7 * q^51 + q^53 - q^55 + 5 * q^57 + 2 * q^59 + 7 * q^61 + 6 * q^63 + 2 * q^65 + 8 * q^67 + 2 * q^69 - q^71 - 14 * q^73 + q^75 - 3 * q^77 - 10 * q^79 + q^81 + 14 * q^83 - 7 * q^85 - 3 * q^87 + q^89 + 6 * q^91 + 5 * q^93 - 5 * q^95 - 12 * q^97 - 2 * q^99

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.

comment:embeddings in the coefficient field

gp:mfembed(f)

Label

$\iota_m(\nu)$

$ a_{2} $

$ a_{3} $

$ a_{4} $

$ a_{5} $

$ a_{6} $

$ a_{7} $

$ a_{8} $

$ a_{9} $

$ a_{10} $

1.1

1.00000

−1.00000

−3.00000

−2.00000

Atkin-Lehner signs

$ p $	Sign
$2$	$ +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	1760.2.a.i	yes	1
4.b	odd	2	1		1760.2.a.d	✓	1
5.b	even	2	1		8800.2.a.l		1
8.b	even	2	1		3520.2.a.j		1
8.d	odd	2	1		3520.2.a.bb		1
20.d	odd	2	1		8800.2.a.q		1

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
1760.2.a.d	✓	1	4.b	odd	2	1
1760.2.a.i	yes	1	1.a	even	1	1	trivial
3520.2.a.j		1	8.b	even	2	1
3520.2.a.bb		1	8.d	odd	2	1
8800.2.a.l		1	5.b	even	2	1
8800.2.a.q		1	20.d	odd	2	1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $S_{2}^{\mathrm{new}}(\Gamma_0(1760))$:

$ T_{3} - 1 $

T3 - 1

$ T_{7} + 3 $

T7 + 3

$ T_{17} - 7 $

T17 - 7

$ T_{19} - 5 $

T19 - 5

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$ T $ T
$3$	$ T - 1 $ T - 1
$5$	$ T + 1 $ T + 1
$7$	$ T + 3 $ T + 3
$11$	$ T - 1 $ T - 1
$13$	$ T + 2 $ T + 2
$17$	$ T - 7 $ T - 7
$19$	$ T - 5 $ T - 5
$23$	$ T - 2 $ T - 2
$29$	$ T + 3 $ T + 3
$31$	$ T - 5 $ T - 5
$37$	$ T - 5 $ T - 5
$41$	$ T - 2 $ T - 2
$43$	$ T - 8 $ T - 8
$47$	$ T - 10 $ T - 10
$53$	$ T - 1 $ T - 1
$59$	$ T - 2 $ T - 2
$61$	$ T - 7 $ T - 7
$67$	$ T - 8 $ T - 8
$71$	$ T + 1 $ T + 1
$73$	$ T + 14 $ T + 14
$79$	$ T + 10 $ T + 10
$83$	$ T - 14 $ T - 14
$89$	$ T - 1 $ T - 1
$97$	$ T + 12 $ T + 12
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Level:	\( N \)	\(=\)	\( 1760 = 2^{5} \cdot 5 \cdot 11 \)
Weight:	\( k \)	\(=\)	\( 2 \)
Character orbit:	\([\chi]\)	\(=\)	1760.a (trivial)

\(n\):		e.g. 2-40 or 990-1000
Significant digits:
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