Properties

Label 690.2.m.a
Level $690$
Weight $2$
Character orbit 690.m
Analytic conductor $5.510$
Analytic rank $0$
Dimension $10$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [690,2,Mod(31,690)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(690, base_ring=CyclotomicField(22))
 
chi = DirichletCharacter(H, H._module([0, 0, 6]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("690.31");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 690 = 2 \cdot 3 \cdot 5 \cdot 23 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 690.m (of order \(11\), degree \(10\), 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: \(5.50967773947\)
Analytic rank: \(0\)
Dimension: \(10\)
Coefficient field: \(\Q(\zeta_{22})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{10} - x^{9} + x^{8} - x^{7} + x^{6} - x^{5} + x^{4} - x^{3} + x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{11}]$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a primitive root of unity \(\zeta_{22}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \zeta_{22}^{4} q^{2} + (\zeta_{22}^{9} - \zeta_{22}^{8} + \cdots - 1) q^{3}+ \cdots - \zeta_{22}^{9} q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{22}^{4} q^{2} + (\zeta_{22}^{9} - \zeta_{22}^{8} + \cdots - 1) q^{3}+ \cdots + ( - \zeta_{22}^{7} + \cdots - \zeta_{22}^{3}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 10 q - q^{2} - q^{3} - q^{4} + q^{5} - q^{6} - q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 10 q - q^{2} - q^{3} - q^{4} + q^{5} - q^{6} - q^{8} - q^{9} + q^{10} - 2 q^{11} - q^{12} + q^{15} - q^{16} + 16 q^{17} - q^{18} + 18 q^{19} + q^{20} + 20 q^{22} - q^{23} + 10 q^{24} - q^{25} + 11 q^{26} - q^{27} + 22 q^{29} + q^{30} + 8 q^{31} - q^{32} - 2 q^{33} + 5 q^{34} - q^{36} - 16 q^{37} - 4 q^{38} + q^{40} - 9 q^{41} - 11 q^{42} + 2 q^{43} - 2 q^{44} - 10 q^{45} - q^{46} - 48 q^{47} - q^{48} + 7 q^{49} - q^{50} - 17 q^{51} + 2 q^{53} - q^{54} - 9 q^{55} - 15 q^{57} + 22 q^{58} - 22 q^{59} + q^{60} + 13 q^{61} + 8 q^{62} - 11 q^{63} - q^{64} - 13 q^{66} + 2 q^{67} - 6 q^{68} - q^{69} - 45 q^{71} - q^{72} + 21 q^{73} - 16 q^{74} - q^{75} - 4 q^{76} + 22 q^{77} + 11 q^{78} + 66 q^{79} + q^{80} - q^{81} + 57 q^{82} + 15 q^{83} + 11 q^{84} - 5 q^{85} + 24 q^{86} - 2 q^{88} + 29 q^{89} + q^{90} + 22 q^{91} - 12 q^{92} - 58 q^{93} + 7 q^{94} + 4 q^{95} - q^{96} - 27 q^{97} + 7 q^{98} - 2 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/690\mathbb{Z}\right)^\times\).

\(n\) \(277\) \(461\) \(511\)
\(\chi(n)\) \(1\) \(1\) \(\zeta_{22}^{4}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
31.1
−0.415415 + 0.909632i
0.959493 0.281733i
−0.841254 + 0.540641i
0.959493 + 0.281733i
0.654861 + 0.755750i
0.142315 0.989821i
0.654861 0.755750i
−0.841254 0.540641i
0.142315 + 0.989821i
−0.415415 0.909632i
−0.142315 + 0.989821i 0.415415 + 0.909632i −0.959493 0.281733i 0.654861 + 0.755750i −0.959493 + 0.281733i 2.31329 + 1.48666i 0.415415 0.909632i −0.654861 + 0.755750i −0.841254 + 0.540641i
121.1 0.415415 0.909632i −0.959493 0.281733i −0.654861 0.755750i −0.841254 + 0.540641i −0.654861 + 0.755750i 0.0867074 0.603063i −0.959493 + 0.281733i 0.841254 + 0.540641i 0.142315 + 0.989821i
151.1 −0.654861 0.755750i 0.841254 + 0.540641i −0.142315 + 0.989821i −0.415415 + 0.909632i −0.142315 0.989821i −1.88745 0.554206i 0.841254 0.540641i 0.415415 + 0.909632i 0.959493 0.281733i
211.1 0.415415 + 0.909632i −0.959493 + 0.281733i −0.654861 + 0.755750i −0.841254 0.540641i −0.654861 0.755750i 0.0867074 + 0.603063i −0.959493 0.281733i 0.841254 0.540641i 0.142315 0.989821i
271.1 −0.959493 0.281733i −0.654861 + 0.755750i 0.841254 + 0.540641i 0.142315 0.989821i 0.841254 0.540641i −1.24302 2.72183i −0.654861 0.755750i −0.142315 0.989821i −0.415415 + 0.909632i
301.1 0.841254 + 0.540641i −0.142315 0.989821i 0.415415 + 0.909632i 0.959493 + 0.281733i 0.415415 0.909632i 0.730471 0.843008i −0.142315 + 0.989821i −0.959493 + 0.281733i 0.654861 + 0.755750i
331.1 −0.959493 + 0.281733i −0.654861 0.755750i 0.841254 0.540641i 0.142315 + 0.989821i 0.841254 + 0.540641i −1.24302 + 2.72183i −0.654861 + 0.755750i −0.142315 + 0.989821i −0.415415 0.909632i
361.1 −0.654861 + 0.755750i 0.841254 0.540641i −0.142315 0.989821i −0.415415 0.909632i −0.142315 + 0.989821i −1.88745 + 0.554206i 0.841254 + 0.540641i 0.415415 0.909632i 0.959493 + 0.281733i
541.1 0.841254 0.540641i −0.142315 + 0.989821i 0.415415 0.909632i 0.959493 0.281733i 0.415415 + 0.909632i 0.730471 + 0.843008i −0.142315 0.989821i −0.959493 0.281733i 0.654861 0.755750i
601.1 −0.142315 0.989821i 0.415415 0.909632i −0.959493 + 0.281733i 0.654861 0.755750i −0.959493 0.281733i 2.31329 1.48666i 0.415415 + 0.909632i −0.654861 0.755750i −0.841254 0.540641i
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 31.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
23.c even 11 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 690.2.m.a 10
23.c even 11 1 inner 690.2.m.a 10
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
690.2.m.a 10 1.a even 1 1 trivial
690.2.m.a 10 23.c even 11 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{10} - 11T_{7}^{7} + 22T_{7}^{6} + 143T_{7}^{5} - 121T_{7}^{3} + 363T_{7}^{2} - 121T_{7} + 121 \) acting on \(S_{2}^{\mathrm{new}}(690, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{10} + T^{9} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{10} + T^{9} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{10} - T^{9} + \cdots + 1 \) Copy content Toggle raw display
$7$ \( T^{10} - 11 T^{7} + \cdots + 121 \) Copy content Toggle raw display
$11$ \( T^{10} + 2 T^{9} + \cdots + 1 \) Copy content Toggle raw display
$13$ \( T^{10} + 33 T^{8} + \cdots + 958441 \) Copy content Toggle raw display
$17$ \( T^{10} - 16 T^{9} + \cdots + 39601 \) Copy content Toggle raw display
$19$ \( T^{10} - 18 T^{9} + \cdots + 17161 \) Copy content Toggle raw display
$23$ \( T^{10} + T^{9} + \cdots + 6436343 \) Copy content Toggle raw display
$29$ \( T^{10} - 22 T^{9} + \cdots + 64009 \) Copy content Toggle raw display
$31$ \( T^{10} - 8 T^{9} + \cdots + 978121 \) Copy content Toggle raw display
$37$ \( T^{10} + 16 T^{9} + \cdots + 351649 \) Copy content Toggle raw display
$41$ \( T^{10} + \cdots + 248787529 \) Copy content Toggle raw display
$43$ \( T^{10} - 2 T^{9} + \cdots + 77070841 \) Copy content Toggle raw display
$47$ \( (T^{5} + 24 T^{4} + \cdots - 4643)^{2} \) Copy content Toggle raw display
$53$ \( T^{10} - 2 T^{9} + \cdots + 978121 \) Copy content Toggle raw display
$59$ \( T^{10} + 22 T^{9} + \cdots + 4695889 \) Copy content Toggle raw display
$61$ \( T^{10} + \cdots + 148035889 \) Copy content Toggle raw display
$67$ \( T^{10} - 2 T^{9} + \cdots + 212521 \) Copy content Toggle raw display
$71$ \( T^{10} + \cdots + 1113757129 \) Copy content Toggle raw display
$73$ \( T^{10} - 21 T^{9} + \cdots + 2042041 \) Copy content Toggle raw display
$79$ \( T^{10} + \cdots + 11335647961 \) Copy content Toggle raw display
$83$ \( T^{10} + \cdots + 2327773009 \) Copy content Toggle raw display
$89$ \( T^{10} - 29 T^{9} + \cdots + 44742721 \) Copy content Toggle raw display
$97$ \( T^{10} + \cdots + 392951329 \) Copy content Toggle raw display
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