Properties

Label 2695.1.bi.a
Level $2695$
Weight $1$
Character orbit 2695.bi
Analytic conductor $1.345$
Analytic rank $0$
Dimension $6$
Projective image $D_{7}$
CM discriminant -55
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2695,1,Mod(274,2695)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2695, base_ring=CyclotomicField(14))
 
chi = DirichletCharacter(H, H._module([7, 6, 7]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2695.274");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2695 = 5 \cdot 7^{2} \cdot 11 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2695.bi (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: \(1.34498020905\)
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: \( x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{4}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{7}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{7} + \cdots)\)

$q$-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.

\(f(q)\) \(=\) \( q + (\zeta_{14}^{6} - \zeta_{14}^{3}) q^{2} + (\zeta_{14}^{6} + \cdots + \zeta_{14}^{2}) q^{4}+ \cdots + \zeta_{14}^{6} q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + (\zeta_{14}^{6} - \zeta_{14}^{3}) q^{2} + (\zeta_{14}^{6} + \cdots + \zeta_{14}^{2}) q^{4}+ \cdots + q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 2 q^{2} - 3 q^{4} - q^{5} - q^{7} - 4 q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 2 q^{2} - 3 q^{4} - q^{5} - q^{7} - 4 q^{8} - q^{9} - 2 q^{10} - q^{11} + 5 q^{13} - 2 q^{14} + 2 q^{16} - 2 q^{17} - 2 q^{18} - 3 q^{20} + 5 q^{22} - q^{25} - 4 q^{26} - 3 q^{28} + 12 q^{31} + q^{32} + 3 q^{34} - q^{35} - 3 q^{36} + 3 q^{40} - 2 q^{43} + 4 q^{44} - q^{45} - q^{49} - 2 q^{50} + q^{52} - q^{55} + 3 q^{56} - 2 q^{59} - 4 q^{62} - q^{63} - 2 q^{65} + 8 q^{68} - 2 q^{70} + 5 q^{71} + 3 q^{72} - 2 q^{73} + 6 q^{77} + 2 q^{80} - q^{81} - 2 q^{83} - 2 q^{85} - 4 q^{86} - 4 q^{88} + 5 q^{89} - 2 q^{90} - 2 q^{91} - 2 q^{98} + 6 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2695\mathbb{Z}\right)^\times\).

\(n\) \(981\) \(1816\) \(2157\)
\(\chi(n)\) \(-1\) \(\zeta_{14}^{6}\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
274.1
0.900969 + 0.433884i
0.900969 0.433884i
0.222521 0.974928i
−0.623490 0.781831i
−0.623490 + 0.781831i
0.222521 + 0.974928i
−1.12349 0.541044i 0 0.346011 + 0.433884i −0.222521 0.974928i 0 −0.900969 + 0.433884i 0.123490 + 0.541044i −0.900969 + 0.433884i −0.277479 + 1.21572i
659.1 −1.12349 + 0.541044i 0 0.346011 0.433884i −0.222521 + 0.974928i 0 −0.900969 0.433884i 0.123490 0.541044i −0.900969 0.433884i −0.277479 1.21572i
1044.1 0.400969 1.75676i 0 −2.02446 0.974928i 0.623490 0.781831i 0 −0.222521 0.974928i −1.40097 + 1.75676i −0.222521 0.974928i −1.12349 1.40881i
1429.1 −0.277479 0.347948i 0 0.178448 0.781831i −0.900969 + 0.433884i 0 0.623490 0.781831i −0.722521 + 0.347948i 0.623490 0.781831i 0.400969 + 0.193096i
2199.1 −0.277479 + 0.347948i 0 0.178448 + 0.781831i −0.900969 0.433884i 0 0.623490 + 0.781831i −0.722521 0.347948i 0.623490 + 0.781831i 0.400969 0.193096i
2584.1 0.400969 + 1.75676i 0 −2.02446 + 0.974928i 0.623490 + 0.781831i 0 −0.222521 + 0.974928i −1.40097 1.75676i −0.222521 + 0.974928i −1.12349 + 1.40881i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 274.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
55.d odd 2 1 CM by \(\Q(\sqrt{-55}) \)
49.e even 7 1 inner
2695.bi odd 14 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2695.1.bi.a 6
5.b even 2 1 2695.1.bi.b yes 6
11.b odd 2 1 2695.1.bi.b yes 6
49.e even 7 1 inner 2695.1.bi.a 6
55.d odd 2 1 CM 2695.1.bi.a 6
245.p even 14 1 2695.1.bi.b yes 6
539.o odd 14 1 2695.1.bi.b yes 6
2695.bi odd 14 1 inner 2695.1.bi.a 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2695.1.bi.a 6 1.a even 1 1 trivial
2695.1.bi.a 6 49.e even 7 1 inner
2695.1.bi.a 6 55.d odd 2 1 CM
2695.1.bi.a 6 2695.bi odd 14 1 inner
2695.1.bi.b yes 6 5.b even 2 1
2695.1.bi.b yes 6 11.b odd 2 1
2695.1.bi.b yes 6 245.p even 14 1
2695.1.bi.b yes 6 539.o odd 14 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{6} + 2T_{2}^{5} + 4T_{2}^{4} + 8T_{2}^{3} + 9T_{2}^{2} + 4T_{2} + 1 \) acting on \(S_{1}^{\mathrm{new}}(2695, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

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