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Properties

Label 1400.1.bl.a
Level $1400$
Weight $1$
Character orbit 1400.bl
Analytic conductor $0.699$
Analytic rank $0$
Dimension $4$
Projective image $D_{6}$
RM discriminant 8
Inner twists $8$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1400,1,Mod(549,1400)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1400, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 3, 3, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1400.549");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1400 = 2^{3} \cdot 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1400.bl (of order \(6\), degree \(2\), not 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: \(0.698691017686\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(\zeta_{6})\)
Coefficient field: \(\Q(\zeta_{12})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{6}\)
Projective field: Galois closure of 6.0.5378240000.1

$q$-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.

\(f(q)\) \(=\) \( q + \zeta_{12}^{5} q^{2} - \zeta_{12}^{4} q^{4} + \zeta_{12}^{5} q^{7} + \zeta_{12}^{3} q^{8} - \zeta_{12}^{2} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{12}^{5} q^{2} - \zeta_{12}^{4} q^{4} + \zeta_{12}^{5} q^{7} + \zeta_{12}^{3} q^{8} - \zeta_{12}^{2} q^{9} - \zeta_{12}^{4} q^{14} - \zeta_{12}^{2} q^{16} + ( - \zeta_{12}^{5} - \zeta_{12}^{3}) q^{17} + \zeta_{12} q^{18} - \zeta_{12}^{5} q^{23} + \zeta_{12}^{3} q^{28} + (\zeta_{12}^{2} + 1) q^{31} + \zeta_{12} q^{32} + (\zeta_{12}^{4} + \zeta_{12}^{2}) q^{34} - q^{36} + ( - \zeta_{12}^{4} - \zeta_{12}^{2}) q^{41} + \zeta_{12}^{4} q^{46} + ( - \zeta_{12}^{3} - \zeta_{12}) q^{47} - \zeta_{12}^{4} q^{49} - \zeta_{12}^{2} q^{56} + (\zeta_{12}^{5} - \zeta_{12}) q^{62} + \zeta_{12} q^{63} - q^{64} + ( - \zeta_{12}^{3} - \zeta_{12}) q^{68} + q^{71} - \zeta_{12}^{5} q^{72} + \zeta_{12}^{2} q^{79} + \zeta_{12}^{4} q^{81} + (\zeta_{12}^{3} + \zeta_{12}) q^{82} + (\zeta_{12}^{4} - 1) q^{89} - \zeta_{12}^{3} q^{92} + (\zeta_{12}^{2} + 1) q^{94} + ( - \zeta_{12}^{5} + \zeta_{12}) q^{97} + \zeta_{12}^{3} q^{98} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 2 q^{4} - 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 2 q^{4} - 2 q^{9} + 2 q^{14} - 2 q^{16} + 6 q^{31} - 4 q^{36} - 2 q^{46} + 2 q^{49} - 2 q^{56} - 4 q^{64} + 4 q^{71} + 2 q^{79} - 2 q^{81} - 6 q^{89} + 6 q^{94}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1400\mathbb{Z}\right)^\times\).

\(n\) \(351\) \(701\) \(801\) \(1177\)
\(\chi(n)\) \(1\) \(-1\) \(\zeta_{12}^{2}\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
549.1
0.866025 + 0.500000i
−0.866025 − 0.500000i
0.866025 − 0.500000i
−0.866025 + 0.500000i
−0.866025 + 0.500000i 0 0.500000 − 0.866025i 0 0 −0.866025 + 0.500000i 1.00000i −0.500000 − 0.866025i 0
549.2 0.866025 − 0.500000i 0 0.500000 − 0.866025i 0 0 0.866025 − 0.500000i − 1.00000i −0.500000 − 0.866025i 0
1349.1 −0.866025 − 0.500000i 0 0.500000 + 0.866025i 0 0 −0.866025 − 0.500000i − 1.00000i −0.500000 + 0.866025i 0
1349.2 0.866025 + 0.500000i 0 0.500000 + 0.866025i 0 0 0.866025 + 0.500000i 1.00000i −0.500000 + 0.866025i 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
8.b even 2 1 RM by \(\Q(\sqrt{2}) \)
5.b even 2 1 inner
7.d odd 6 1 inner
35.i odd 6 1 inner
40.f even 2 1 inner
56.j odd 6 1 inner
280.bk odd 6 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1400.1.bl.a 4
5.b even 2 1 inner 1400.1.bl.a 4
5.c odd 4 1 1400.1.bf.a ✓ 2
5.c odd 4 1 1400.1.bf.b yes 2
7.d odd 6 1 inner 1400.1.bl.a 4
8.b even 2 1 RM 1400.1.bl.a 4
35.i odd 6 1 inner 1400.1.bl.a 4
35.k even 12 1 1400.1.bf.a ✓ 2
35.k even 12 1 1400.1.bf.b yes 2
40.f even 2 1 inner 1400.1.bl.a 4
40.i odd 4 1 1400.1.bf.a ✓ 2
40.i odd 4 1 1400.1.bf.b yes 2
56.j odd 6 1 inner 1400.1.bl.a 4
280.bk odd 6 1 inner 1400.1.bl.a 4
280.bv even 12 1 1400.1.bf.a ✓ 2
280.bv even 12 1 1400.1.bf.b yes 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1400.1.bf.a ✓ 2 5.c odd 4 1
1400.1.bf.a ✓ 2 35.k even 12 1
1400.1.bf.a ✓ 2 40.i odd 4 1
1400.1.bf.a ✓ 2 280.bv even 12 1
1400.1.bf.b yes 2 5.c odd 4 1
1400.1.bf.b yes 2 35.k even 12 1
1400.1.bf.b yes 2 40.i odd 4 1
1400.1.bf.b yes 2 280.bv even 12 1
1400.1.bl.a 4 1.a even 1 1 trivial
1400.1.bl.a 4 5.b even 2 1 inner
1400.1.bl.a 4 7.d odd 6 1 inner
1400.1.bl.a 4 8.b even 2 1 RM
1400.1.bl.a 4 35.i odd 6 1 inner
1400.1.bl.a 4 40.f even 2 1 inner
1400.1.bl.a 4 56.j odd 6 1 inner
1400.1.bl.a 4 280.bk odd 6 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{1}^{\mathrm{new}}(1400, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( T^{4} \) Copy content Toggle raw display
$17$ \( T^{4} + 3T^{2} + 9 \) Copy content Toggle raw display
$19$ \( T^{4} \) Copy content Toggle raw display
$23$ \( T^{4} - T^{2} + 1 \) Copy content Toggle raw display
$29$ \( T^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} - 3 T + 3)^{2} \) Copy content Toggle raw display
$37$ \( T^{4} \) Copy content Toggle raw display
$41$ \( (T^{2} + 3)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} \) Copy content Toggle raw display
$47$ \( T^{4} + 3T^{2} + 9 \) Copy content Toggle raw display
$53$ \( T^{4} \) Copy content Toggle raw display
$59$ \( T^{4} \) Copy content Toggle raw display
$61$ \( T^{4} \) Copy content Toggle raw display
$67$ \( T^{4} \) Copy content Toggle raw display
$71$ \( (T - 1)^{4} \) Copy content Toggle raw display
$73$ \( T^{4} \) Copy content Toggle raw display
$79$ \( (T^{2} - T + 1)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( (T^{2} + 3 T + 3)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} - 3)^{2} \) Copy content Toggle raw display
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