LMFDB - Newform orbit 363.1.h.a

Show commands: Magma / Pari/GP / SageMath

Newspace parameters

comment:Compute space of new eigenforms

gp:[N,k,chi] = [363,1,Mod(245,363)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)

sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(363, base_ring=CyclotomicField(10)) chi = DirichletCharacter(H, H._module([5, 8])) N = Newforms(chi, 1, names="a")

magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("363.245"); S:= CuspForms(chi, 1); N := Newforms(S);

Level:	$N$	$=$	$363 = 3 \cdot 11^{2}$
Weight:	$k$	$=$	$1$
Character orbit:	$[\chi]$	$=$	363.h (of order $10$ , degree $4$ , not minimal)

Newform invariants

comment:select newform

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

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

Self dual:	no
Analytic conductor:	$0.181160599586$
Analytic rank:	$0$
Dimension:	$4$
Coefficient field:	$\Q(\zeta_{10})$
comment:defining polynomial gp:f.mod \\ as an extension of the character field
Defining polynomial:	$x^{4} - x^{3} + x^{2} - x + 1$ x^4 - x^3 + x^2 - x + 1
Coefficient ring:	$\Z[a_1, a_2, a_3]$
Coefficient ring index:	$1$
Twist minimal:	yes
Projective image:	$D_{2}$
Projective field:	Galois closure of $\Q(\sqrt{-3}, \sqrt{-11})$
Artin image:	$C_5\times D_4$
Artin field:	Galois closure of 20.0.14861658978964734748713.1

$q$ -expansion

comment:q-expansion

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

gp:mfcoefs(f, 20)

The $q$ -expansion and trace form are shown below.

$f(q)$	$=$	$q - \zeta_{10}^{4} q^{3} - \zeta_{10} q^{4} - \zeta_{10}^{3} q^{9} - q^{12} + \zeta_{10}^{2} q^{16} + \zeta_{10}^{4} q^{25} - \zeta_{10}^{2} q^{27} + 2 \zeta_{10}^{3} q^{31} + \zeta_{10}^{4} q^{36} + 2 \zeta_{10} q^{37} + \cdots - 2 \zeta_{10}^{3} q^{97} +O(q^{100})$ q - z^4 * q^3 - z * q^4 - z^3 * q^9 - q^12 + z^2 * q^16 + z^4 * q^25 - z^2 * q^27 + 2z^3 q^31 + z^4 * q^36 + 2z q^37 + z * q^48 - z^2 * q^49 - z^3 * q^64 - 2 * q^67 + z^3 * q^75 - z * q^81 + 2z^2 q^93 - 2z^3 q^97
$\operatorname{Tr}(f)(q)$	$=$	$4 q + q^{3} - q^{4} - q^{9} - 4 q^{12} - q^{16} - q^{25} + q^{27} + 2 q^{31} - q^{36} + 2 q^{37} + q^{48} + q^{49} - q^{64} - 8 q^{67} + q^{75} - q^{81} - 2 q^{93} - 2 q^{97}+O(q^{100})$ 4 * q + q^3 - q^4 - q^9 - 4 * q^12 - q^16 - q^25 + q^27 + 2 * q^31 - q^36 + 2 * q^37 + q^48 + q^49 - q^64 - 8 * q^67 + q^75 - q^81 - 2 * q^93 - 2 * q^97

Character values

We give the values of $\chi$ on generators for $\left(\mathbb{Z}/363\mathbb{Z}\right)^\times$ .

$n$	$122$	$244$
$\chi(n)$	$-1$	$-\zeta_{10}$

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}

245.1

−0.309017	+	0.951057i
0.809017	+	0.587785i
0.809017	−	0.587785i
−0.309017	−	0.951057i

−0.309017

−

0.951057i

0.309017

−

0.951057i

−0.809017

0.587785i

251.1

0.809017

−

0.587785i

−0.809017

−

0.587785i

0.309017

−

0.951057i

269.1

0.809017

0.587785i

−0.809017

0.587785i

0.309017

0.951057i

323.1

−0.309017

0.951057i

0.309017

0.951057i

−0.809017

−

0.587785i

Inner twists

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
3.b	odd	2	1	CM by $\Q(\sqrt{-3})$
11.b	odd	2	1	CM by $\Q(\sqrt{-11})$
33.d	even	2	1	RM by $\Q(\sqrt{33})$
11.c	even	5	3	inner
11.d	odd	10	3	inner
33.f	even	10	3	inner
33.h	odd	10	3	inner

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	363.1.h.a		4
3.b	odd	2	1	CM	363.1.h.a		4
11.b	odd	2	1	CM	363.1.h.a		4
11.c	even	5	1		363.1.b.a	✓	1
11.c	even	5	3	inner	363.1.h.a		4
11.d	odd	10	1		363.1.b.a	✓	1
11.d	odd	10	3	inner	363.1.h.a		4
33.d	even	2	1	RM	363.1.h.a		4
33.f	even	10	1		363.1.b.a	✓	1
33.f	even	10	3	inner	363.1.h.a		4
33.h	odd	10	1		363.1.b.a	✓	1
33.h	odd	10	3	inner	363.1.h.a		4

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
363.1.b.a	✓	1	11.c	even	5	1
363.1.b.a	✓	1	11.d	odd	10	1
363.1.b.a	✓	1	33.f	even	10	1
363.1.b.a	✓	1	33.h	odd	10	1
363.1.h.a		4	1.a	even	1	1	trivial
363.1.h.a		4	3.b	odd	2	1	CM
363.1.h.a		4	11.b	odd	2	1	CM
363.1.h.a		4	11.c	even	5	3	inner
363.1.h.a		4	11.d	odd	10	3	inner
363.1.h.a		4	33.d	even	2	1	RM
363.1.h.a		4	33.f	even	10	3	inner
363.1.h.a		4	33.h	odd	10	3	inner

Hecke kernels

This newform subspace is the entire newspace $S_{1}^{\mathrm{new}}(363, [\chi])$ .

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$T^{4}$ T^4
$3$	$T^{4} - T^{3} + T^{2} + \cdots + 1$ T^4 - T^3 + T^2 - T + 1
$5$	$T^{4}$ T^4
$7$	$T^{4}$ T^4
$11$	$T^{4}$ T^4
$13$	$T^{4}$ T^4
$17$	$T^{4}$ T^4
$19$	$T^{4}$ T^4
$23$	$T^{4}$ T^4
$29$	$T^{4}$ T^4
$31$	$T^{4} - 2 T^{3} + \cdots + 16$ T^4 - 2T^3 + 4T^2 - 8*T + 16
$37$	$T^{4} - 2 T^{3} + \cdots + 16$ T^4 - 2T^3 + 4T^2 - 8*T + 16
$41$	$T^{4}$ T^4
$43$	$T^{4}$ T^4
$47$	$T^{4}$ T^4
$53$	$T^{4}$ T^4
$59$	$T^{4}$ T^4
$61$	$T^{4}$ T^4
$67$	$(T + 2)^{4}$ (T + 2)^4
$71$	$T^{4}$ T^4
$73$	$T^{4}$ T^4
$79$	$T^{4}$ T^4
$83$	$T^{4}$ T^4
$89$	$T^{4}$ T^4
$97$	$T^{4} + 2 T^{3} + \cdots + 16$ T^4 + 2T^3 + 4T^2 + 8*T + 16
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Newspace parameters

Newform invariants

$q$ -expansion

Character values

Embeddings

Inner twists

Twists

Hecke kernels

Hecke characteristic polynomials

This project is supported by grants from the US National Science Foundation, the UK Engineering and Physical Sciences Research Council, and the Simons Foundation.

Label	363.1.h.a

Level	$363$
Weight	$1$
Character orbit	363.h
Analytic conductor	$0.181$
Analytic rank	$0$
Dimension	$4$
Projective image	$D_{2}$
CM/RM discs	-3, -11, 33
Inner twists	$16$