LMFDB - Newform orbit 2548.1.co.b

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms

[N,k,chi] = [2548,1,Mod(155,2548)]

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

lf = mfeigenbasis(mf)

from sage.modular.dirichlet import DirichletCharacter

H = DirichletGroup(2548, base_ring=CyclotomicField(14))

chi = DirichletCharacter(H, H._module([7, 12, 7]))

N = Newforms(chi, 1, names="a")

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

chi := DirichletCharacter("2548.155");

S:= CuspForms(chi, 1);

N := Newforms(S);

Level:	$ N $	$=$	$ 2548 = 2^{2} \cdot 7^{2} \cdot 13 $
Weight:	$ k $	$=$	$ 1 $
Character orbit:	$[\chi]$	$=$	2548.co (of order $14$, degree $6$, minimal)

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:	no
Analytic conductor:	$1.27161765219$
Analytic rank:	$0$
Dimension:	$6$
Coefficient field:	$\Q(\zeta_{14})$
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	$ x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 $ x^6 - x^5 + x^4 - x^3 + x^2 - x + 1
Coefficient ring:	$\Z[a_1, a_2]$
Coefficient ring index:	$ 1 $
Twist minimal:	yes
Projective image:	$D_{7}$
Projective field:	Galois closure of $\mathbb{Q}[x]/(x^{7} - \cdots)$

Character values

We give the values of $\chi$ on generators for $\left(\mathbb{Z}/2548\mathbb{Z}\right)^\times$.

$n$	$197$	$885$	$1275$
$\chi(n)$	$-1$	$\zeta_{14}^{4}$	$-1$

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.

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} $

155.1

0.222521	+	0.974928i
−0.623490	+	0.781831i
−0.623490	−	0.781831i
0.222521	−	0.974928i
0.900969	−	0.433884i
0.900969	+	0.433884i

−0.623490

−

0.781831i

−0.222521

0.974928i

0.222521

0.974928i

0.900969

−

0.433884i

0.623490

−

0.781831i

519.1

0.900969

0.433884i

0.623490

0.781831i

−0.623490

0.781831i

0.222521

0.974928i

−0.900969

0.433884i

1247.1

0.900969

−

0.433884i

0.623490

−

0.781831i

−0.623490

−

0.781831i

0.222521

−

0.974928i

−0.900969

−

0.433884i

1611.1

−0.623490

0.781831i

−0.222521

−

0.974928i

0.222521

−

0.974928i

0.900969

0.433884i

0.623490

0.781831i

1975.1

0.222521

−

0.974928i

−0.900969

−

0.433884i

0.900969

−

0.433884i

−0.623490

0.781831i

−0.222521

−

0.974928i

2339.1

0.222521

0.974928i

−0.900969

0.433884i

0.900969

0.433884i

−0.623490

−

0.781831i

−0.222521

0.974928i

Inner twists

Char	Parity	Ord	Mult	Type
1.a	even	1	1	trivial
52.b	odd	2	1	CM by $\Q(\sqrt{-13}) $
49.e	even	7	1	inner
2548.co	odd	14	1	inner

Twists

By twisting character orbit
Char	Parity	Ord	Mult	Type	Twist	Min	Dim
1.a	even	1	1	trivial	2548.1.co.b	yes	6
4.b	odd	2	1		2548.1.co.a	✓	6
13.b	even	2	1		2548.1.co.a	✓	6
49.e	even	7	1	inner	2548.1.co.b	yes	6
52.b	odd	2	1	CM	2548.1.co.b	yes	6
196.k	odd	14	1		2548.1.co.a	✓	6
637.bg	even	14	1		2548.1.co.a	✓	6
2548.co	odd	14	1	inner	2548.1.co.b	yes	6

By twisted newform orbit
Twist	Min	Dim	Char	Parity	Ord	Mult	Type
2548.1.co.a	✓	6	4.b	odd	2	1
2548.1.co.a	✓	6	13.b	even	2	1
2548.1.co.a	✓	6	196.k	odd	14	1
2548.1.co.a	✓	6	637.bg	even	14	1
2548.1.co.b	yes	6	1.a	even	1	1	trivial
2548.1.co.b	yes	6	49.e	even	7	1	inner
2548.1.co.b	yes	6	52.b	odd	2	1	CM
2548.1.co.b	yes	6	2548.co	odd	14	1	inner

This newform subspace can be constructed as the kernel of the linear operator $ T_{11}^{6} - 2T_{11}^{5} + 4T_{11}^{4} - T_{11}^{3} + 2T_{11}^{2} + 3T_{11} + 1 $ T11^6 - 2*T11^5 + 4*T11^4 - T11^3 + 2*T11^2 + 3*T11 + 1 acting on $S_{1}^{\mathrm{new}}(2548, [\chi])$.

Hecke characteristic polynomials

$p$	$F_p(T)$
$2$	$ T^{6} - T^{5} + T^{4} + \cdots + 1 $ T^6 - T^5 + T^4 - T^3 + T^2 - T + 1
$3$	$ T^{6} $ T^6
$5$	$ T^{6} $ T^6
$7$	$ T^{6} - T^{5} + T^{4} + \cdots + 1 $ T^6 - T^5 + T^4 - T^3 + T^2 - T + 1
$11$	$ T^{6} - 2 T^{5} + \cdots + 1 $ T^6 - 2T^5 + 4T^4 - T^3 + 2T^2 + 3T + 1
$13$	$ T^{6} + T^{5} + T^{4} + \cdots + 1 $ T^6 + T^5 + T^4 + T^3 + T^2 + T + 1
$17$	$ T^{6} + 2 T^{5} + \cdots + 1 $ T^6 + 2T^5 + 4T^4 + T^3 + 2T^2 - 3T + 1
$19$	$ (T^{3} - T^{2} - 2 T + 1)^{2} $ (T^3 - T^2 - 2*T + 1)^2
$23$	$ T^{6} $ T^6
$29$	$ T^{6} + 2 T^{5} + \cdots + 1 $ T^6 + 2T^5 + 4T^4 + 8T^3 + 9T^2 + 4*T + 1
$31$	$ (T^{3} - T^{2} - 2 T + 1)^{2} $ (T^3 - T^2 - 2*T + 1)^2
$37$	$ T^{6} $ T^6
$41$	$ T^{6} $ T^6
$43$	$ T^{6} $ T^6
$47$	$ T^{6} - 2 T^{5} + \cdots + 1 $ T^6 - 2T^5 + 4T^4 - T^3 + 2T^2 + 3T + 1
$53$	$ T^{6} + 2 T^{5} + \cdots + 64 $ T^6 + 2T^5 + 4T^4 + 8T^3 + 16T^2 + 32*T + 64
$59$	$ T^{6} - 2 T^{5} + \cdots + 1 $ T^6 - 2T^5 + 4T^4 - T^3 + 2T^2 + 3T + 1
$61$	$ T^{6} + 2 T^{5} + \cdots + 64 $ T^6 + 2T^5 + 4T^4 + 8T^3 + 16T^2 + 32*T + 64
$67$	$ (T^{3} - T^{2} - 2 T + 1)^{2} $ (T^3 - T^2 - 2*T + 1)^2
$71$	$ T^{6} - 2 T^{5} + \cdots + 1 $ T^6 - 2T^5 + 4T^4 - T^3 + 2T^2 + 3T + 1
$73$	$ T^{6} $ T^6
$79$	$ T^{6} $ T^6
$83$	$ T^{6} - 2 T^{5} + \cdots + 1 $ T^6 - 2T^5 + 4T^4 - 8T^3 + 9T^2 - 4*T + 1
$89$	$ T^{6} $ T^6
$97$	$ T^{6} $ T^6
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Overview	Random
Universe	Knowledge

Classical	Maass
Hilbert	Bianchi

Elliptic curves over $\Q$
Elliptic curves over $\Q(\alpha)$
Genus 2 curves over $\Q$
Higher genus families
Abelian varieties over $\F_{q}$

Level:	\( N \)	\(=\)	\( 2548 = 2^{2} \cdot 7^{2} \cdot 13 \)
Weight:	\( k \)	\(=\)	\( 1 \)
Character orbit:	\([\chi]\)	\(=\)	2548.co (of order \(14\), degree \(6\), minimal)

\(f(q)\)	\(=\)	\( q + \zeta_{14}^{3} q^{2} + \zeta_{14}^{6} q^{4} + \zeta_{14} q^{7} - \zeta_{14}^{2} q^{8} + \zeta_{14}^{4} q^{9} +O(q^{10}) \) q + z^3 * q^2 + z^6 * q^4 + z * q^7 - z^2 * q^8 + z^4 * q^9	\( q + \zeta_{14}^{3} q^{2} + \zeta_{14}^{6} q^{4} + \zeta_{14} q^{7} - \zeta_{14}^{2} q^{8} + \zeta_{14}^{4} q^{9} + (\zeta_{14}^{5} + \zeta_{14}) q^{11} - \zeta_{14}^{3} q^{13} + \zeta_{14}^{4} q^{14} - \zeta_{14}^{5} q^{16} + ( - \zeta_{14}^{5} + \zeta_{14}^{4}) q^{17} - q^{18} + ( - \zeta_{14}^{4} + \zeta_{14}^{3}) q^{19} + (\zeta_{14}^{4} - \zeta_{14}) q^{22} + \zeta_{14}^{4} q^{25} - \zeta_{14}^{6} q^{26} - q^{28} + (\zeta_{14}^{6} - \zeta_{14}^{3}) q^{29} + ( - \zeta_{14}^{4} + \zeta_{14}^{3}) q^{31} + \zeta_{14} q^{32} + (\zeta_{14} - 1) q^{34} - \zeta_{14}^{3} q^{36} + (\zeta_{14}^{6} + 1) q^{38} + ( - \zeta_{14}^{4} - 1) q^{44} + (\zeta_{14}^{5} + \zeta_{14}) q^{47} + \zeta_{14}^{2} q^{49} - q^{50} + \zeta_{14}^{2} q^{52} + \zeta_{14}^{6} q^{53} - \zeta_{14}^{3} q^{56} + ( - \zeta_{14}^{6} - \zeta_{14}^{2}) q^{58} + ( - \zeta_{14}^{6} - \zeta_{14}^{4}) q^{59} - \zeta_{14} q^{61} + (\zeta_{14}^{6} + 1) q^{62} + \zeta_{14}^{5} q^{63} + \zeta_{14}^{4} q^{64} + ( - \zeta_{14}^{6} + \zeta_{14}) q^{67} + (\zeta_{14}^{4} - \zeta_{14}^{3}) q^{68} + (\zeta_{14}^{3} - \zeta_{14}^{2}) q^{71} - \zeta_{14}^{6} q^{72} + (\zeta_{14}^{3} - \zeta_{14}^{2}) q^{76} + (\zeta_{14}^{6} + \zeta_{14}^{2}) q^{77} - \zeta_{14} q^{81} + (\zeta_{14}^{5} + \zeta_{14}^{3}) q^{83} + ( - \zeta_{14}^{3} + 1) q^{88} - \zeta_{14}^{4} q^{91} + (\zeta_{14}^{4} - \zeta_{14}) q^{94} + \zeta_{14}^{5} q^{98} + (\zeta_{14}^{5} - \zeta_{14}^{2}) q^{99} +O(q^{100}) \) q + z^3 * q^2 + z^6 * q^4 + z * q^7 - z^2 * q^8 + z^4 * q^9 + (z^5 + z) * q^11 - z^3 * q^13 + z^4 * q^14 - z^5 * q^16 + (-z^5 + z^4) * q^17 - q^18 + (-z^4 + z^3) * q^19 + (z^4 - z) * q^22 + z^4 * q^25 - z^6 * q^26 - q^28 + (z^6 - z^3) * q^29 + (-z^4 + z^3) * q^31 + z * q^32 + (z - 1) * q^34 - z^3 * q^36 + (z^6 + 1) * q^38 + (-z^4 - 1) * q^44 + (z^5 + z) * q^47 + z^2 * q^49 - q^50 + z^2 * q^52 + z^6 * q^53 - z^3 * q^56 + (-z^6 - z^2) * q^58 + (-z^6 - z^4) * q^59 - z * q^61 + (z^6 + 1) * q^62 + z^5 * q^63 + z^4 * q^64 + (-z^6 + z) * q^67 + (z^4 - z^3) * q^68 + (z^3 - z^2) * q^71 - z^6 * q^72 + (z^3 - z^2) * q^76 + (z^6 + z^2) * q^77 - z * q^81 + (z^5 + z^3) * q^83 + (-z^3 + 1) * q^88 - z^4 * q^91 + (z^4 - z) * q^94 + z^5 * q^98 + (z^5 - z^2) * q^99
\(\operatorname{Tr}(f)(q)\)	\(=\)	\( 6 q + q^{2} - q^{4} + q^{7} + q^{8} - q^{9}+O(q^{10}) \) 6 * q + q^2 - q^4 + q^7 + q^8 - q^9	\( 6 q + q^{2} - q^{4} + q^{7} + q^{8} - q^{9} + 2 q^{11} - q^{13} - q^{14} - q^{16} - 2 q^{17} - 6 q^{18} + 2 q^{19} - 2 q^{22} - q^{25} + q^{26} - 6 q^{28} - 2 q^{29} + 2 q^{31} + q^{32} - 5 q^{34} - q^{36} + 5 q^{38} - 5 q^{44} + 2 q^{47} - q^{49} - 6 q^{50} - q^{52} - 2 q^{53} - q^{56} + 2 q^{58} + 2 q^{59} - 2 q^{61} + 5 q^{62} + q^{63} - q^{64} + 2 q^{67} - 2 q^{68} + 2 q^{71} + q^{72} + 2 q^{76} - 2 q^{77} - q^{81} + 2 q^{83} + 5 q^{88} + q^{91} - 2 q^{94} + q^{98} + 2 q^{99}+O(q^{100}) \) 6 * q + q^2 - q^4 + q^7 + q^8 - q^9 + 2 * q^11 - q^13 - q^14 - q^16 - 2 * q^17 - 6 * q^18 + 2 * q^19 - 2 * q^22 - q^25 + q^26 - 6 * q^28 - 2 * q^29 + 2 * q^31 + q^32 - 5 * q^34 - q^36 + 5 * q^38 - 5 * q^44 + 2 * q^47 - q^49 - 6 * q^50 - q^52 - 2 * q^53 - q^56 + 2 * q^58 + 2 * q^59 - 2 * q^61 + 5 * q^62 + q^63 - q^64 + 2 * q^67 - 2 * q^68 + 2 * q^71 + q^72 + 2 * q^76 - 2 * q^77 - q^81 + 2 * q^83 + 5 * q^88 + q^91 - 2 * q^94 + q^98 + 2 * q^99

Introduction

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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	2548.1.co.b

Level	$2548$
Weight	$1$
Character orbit	2548.co
Analytic conductor	$1.272$
Analytic rank	$0$
Dimension	$6$
Projective image	$D_{7}$
CM discriminant	-52
Inner twists	$4$

Self dual:	no
Analytic conductor:	\(1.27161765219\)
Analytic rank:	\(0\)
Dimension:	\(6\)
Coefficient field:	\(\Q(\zeta_{14})\)
comment: defining polynomial gp: f.mod \\ as an extension of the character field
Defining polynomial:	\( x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 \) x^6 - x^5 + x^4 - x^3 + x^2 - x + 1
Coefficient ring:	\(\Z[a_1, a_2]\)
Coefficient ring index:	\( 1 \)
Twist minimal:	yes
Projective image:	\(D_{7}\)
Projective field:	Galois closure of \(\mathbb{Q}[x]/(x^{7} - \cdots)\)

\(n\)	\(197\)	\(885\)	\(1275\)
\(\chi(n)\)	\(-1\)	\(\zeta_{14}^{4}\)	\(-1\)

\(n\):		e.g. 2-40 or 990-1000
Embeddings:		e.g. 1-3 or 155.1
Significant digits:
Format:

$p$	$F_p(T)$
$2$	\( T^{6} - T^{5} + T^{4} + \cdots + 1 \) T^6 - T^5 + T^4 - T^3 + T^2 - T + 1
$3$	\( T^{6} \) T^6
$5$	\( T^{6} \) T^6
$7$	\( T^{6} - T^{5} + T^{4} + \cdots + 1 \) T^6 - T^5 + T^4 - T^3 + T^2 - T + 1
$11$	\( T^{6} - 2 T^{5} + \cdots + 1 \) T^6 - 2T^5 + 4T^4 - T^3 + 2T^2 + 3T + 1
$13$	\( T^{6} + T^{5} + T^{4} + \cdots + 1 \) T^6 + T^5 + T^4 + T^3 + T^2 + T + 1
$17$	\( T^{6} + 2 T^{5} + \cdots + 1 \) T^6 + 2T^5 + 4T^4 + T^3 + 2T^2 - 3T + 1
$19$	\( (T^{3} - T^{2} - 2 T + 1)^{2} \) (T^3 - T^2 - 2*T + 1)^2
$23$	\( T^{6} \) T^6
$29$	\( T^{6} + 2 T^{5} + \cdots + 1 \) T^6 + 2T^5 + 4T^4 + 8T^3 + 9T^2 + 4*T + 1
$31$	\( (T^{3} - T^{2} - 2 T + 1)^{2} \) (T^3 - T^2 - 2*T + 1)^2
$37$	\( T^{6} \) T^6
$41$	\( T^{6} \) T^6
$43$	\( T^{6} \) T^6
$47$	\( T^{6} - 2 T^{5} + \cdots + 1 \) T^6 - 2T^5 + 4T^4 - T^3 + 2T^2 + 3T + 1
$53$	\( T^{6} + 2 T^{5} + \cdots + 64 \) T^6 + 2T^5 + 4T^4 + 8T^3 + 16T^2 + 32*T + 64
$59$	\( T^{6} - 2 T^{5} + \cdots + 1 \) T^6 - 2T^5 + 4T^4 - T^3 + 2T^2 + 3T + 1
$61$	\( T^{6} + 2 T^{5} + \cdots + 64 \) T^6 + 2T^5 + 4T^4 + 8T^3 + 16T^2 + 32*T + 64
$67$	\( (T^{3} - T^{2} - 2 T + 1)^{2} \) (T^3 - T^2 - 2*T + 1)^2
$71$	\( T^{6} - 2 T^{5} + \cdots + 1 \) T^6 - 2T^5 + 4T^4 - T^3 + 2T^2 + 3T + 1
$73$	\( T^{6} \) T^6
$79$	\( T^{6} \) T^6
$83$	\( T^{6} - 2 T^{5} + \cdots + 1 \) T^6 - 2T^5 + 4T^4 - 8T^3 + 9T^2 - 4*T + 1
$89$	\( T^{6} \) T^6
$97$	\( T^{6} \) T^6
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