LMFDB - Newform orbit 3888.2.a.o

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [3888,2,Mod(1,3888)]

mf = mfinit([N,k,chi],0)

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(3888, base_ring=CyclotomicField(2))

chi = DirichletCharacter(H, H._module([0, 0, 0]))

N = Newforms(chi, 2, names="a")

//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code

chi := DirichletCharacter("3888.1");

S:= CuspForms(chi, 2);

N := Newforms(S);

Level:	$ N $	$=$	$ 3888 = 2^{4} \cdot 3^{5} $
Weight:	$ k $	$=$	$ 2 $
Character orbit:	$[\chi]$	$=$	3888.a (trivial)

Newform invariants

comment: select newform

sage: f = N[0] # Warning: the index may be different

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

Self dual:	yes
Analytic conductor:	$31.0458363059$
Analytic rank:	$0$
Dimension:	$1$
Coefficient field:	$\mathbb{Q}$
Coefficient ring:	$\mathbb{Z}$
Coefficient ring index:	$ 1 $
Twist minimal:	no (minimal twist has level 972)
Fricke sign:	$-1$
Sato-Tate group:	$N(\mathrm{U}(1))$

$q$-expansion

comment: q-expansion

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

gp: mfcoefs(f, 20)

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

4.00000

Atkin-Lehner signs

$ p $	Sign
$2$	$ -1 $
$3$	$ +1 $

Inner twists

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
3.b	odd	2	1	CM by $\Q(\sqrt{-3}) $

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	3888.2.a.o		1
3.b	odd	2	1	CM	3888.2.a.o		1
4.b	odd	2	1		972.2.a.a	✓	1
12.b	even	2	1		972.2.a.a	✓	1
36.f	odd	6	2		972.2.e.d		2
36.h	even	6	2		972.2.e.d		2

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
972.2.a.a	✓	1	4.b	odd	2	1
972.2.a.a	✓	1	12.b	even	2	1
972.2.e.d		2	36.f	odd	6	2
972.2.e.d		2	36.h	even	6	2
3888.2.a.o		1	1.a	even	1	1	trivial
3888.2.a.o		1	3.b	odd	2	1	CM

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on $S_{2}^{\mathrm{new}}(\Gamma_0(3888))$:

$ T_{5} $

$ T_{7} - 4 $

$ T_{11} $

$ T_{13} - 5 $

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$ T $ T
$3$	$ T $ T
$5$	$ T $ T
$7$	$ T - 4 $ T - 4
$11$	$ T $ T
$13$	$ T - 5 $ T - 5
$17$	$ T $ T
$19$	$ T - 7 $ T - 7
$23$	$ T $ T
$29$	$ T $ T
$31$	$ T - 7 $ T - 7
$37$	$ T + 10 $ T + 10
$41$	$ T $ T
$43$	$ T - 13 $ T - 13
$47$	$ T $ T
$53$	$ T $ T
$59$	$ T $ T
$61$	$ T + 13 $ T + 13
$67$	$ T + 11 $ T + 11
$71$	$ T $ T
$73$	$ T - 17 $ T - 17
$79$	$ T + 17 $ T + 17
$83$	$ T $ T
$89$	$ T $ T
$97$	$ T + 19 $ T + 19
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Overview	Random
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Elliptic curves over $\Q$
Elliptic curves over $\Q(\alpha)$
Genus 2 curves over $\Q$
Higher genus families
Abelian varieties over $\F_{q}$

Level:	\( N \)	\(=\)	\( 3888 = 2^{4} \cdot 3^{5} \)
Weight:	\( k \)	\(=\)	\( 2 \)
Character orbit:	\([\chi]\)	\(=\)	3888.a (trivial)

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