Properties

Label 420.2.n.a
Level $420$
Weight $2$
Character orbit 420.n
Analytic conductor $3.354$
Analytic rank $0$
Dimension $24$
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] = [420,2,Mod(71,420)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(420, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([1, 1, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("420.71");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 420 = 2^{2} \cdot 3 \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 420.n (of order \(2\), degree \(1\), 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: \(3.35371688489\)
Analytic rank: \(0\)
Dimension: \(24\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-expansion

The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.

\(\operatorname{Tr}(f)(q) = \) \( 24 q + 2 q^{4} + 6 q^{6} + 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 24 q + 2 q^{4} + 6 q^{6} + 4 q^{9} + 2 q^{10} - 4 q^{12} - 2 q^{14} + 6 q^{16} + 12 q^{18} + 8 q^{20} + 8 q^{22} - 30 q^{24} - 24 q^{25} - 20 q^{26} - 8 q^{28} - 8 q^{30} + 20 q^{32} + 16 q^{33} - 16 q^{34} + 24 q^{35} - 26 q^{36} - 60 q^{38} - 12 q^{39} - 14 q^{40} + 8 q^{42} + 24 q^{44} - 12 q^{46} + 8 q^{47} - 48 q^{48} - 24 q^{49} + 36 q^{51} + 20 q^{52} + 54 q^{54} + 14 q^{56} - 24 q^{57} + 44 q^{58} - 8 q^{59} - 14 q^{60} + 16 q^{61} - 28 q^{62} - 22 q^{64} + 80 q^{66} + 32 q^{68} + 72 q^{71} - 32 q^{72} - 24 q^{73} - 64 q^{74} + 48 q^{76} - 20 q^{81} - 16 q^{82} - 40 q^{83} + 14 q^{84} - 16 q^{85} - 40 q^{86} - 80 q^{87} - 12 q^{88} + 10 q^{90} + 108 q^{92} - 48 q^{93} - 36 q^{94} - 58 q^{96} + 24 q^{97} + 84 q^{99}+O(q^{100}) \) Copy content Toggle raw display

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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
71.1 −1.39371 0.239964i −1.52556 0.820170i 1.88483 + 0.668880i 1.00000i 1.92937 + 1.50916i 1.00000i −2.46640 1.38452i 1.65464 + 2.50243i −0.239964 + 1.39371i
71.2 −1.39371 + 0.239964i −1.52556 + 0.820170i 1.88483 0.668880i 1.00000i 1.92937 1.50916i 1.00000i −2.46640 + 1.38452i 1.65464 2.50243i −0.239964 1.39371i
71.3 −1.24051 0.679065i −1.09154 1.34482i 1.07774 + 1.68478i 1.00000i 0.440848 + 2.40949i 1.00000i −0.192876 2.82184i −0.617080 + 2.93585i 0.679065 1.24051i
71.4 −1.24051 + 0.679065i −1.09154 + 1.34482i 1.07774 1.68478i 1.00000i 0.440848 2.40949i 1.00000i −0.192876 + 2.82184i −0.617080 2.93585i 0.679065 + 1.24051i
71.5 −1.19442 0.757207i 0.667879 1.59810i 0.853276 + 1.80884i 1.00000i −2.00782 + 1.40309i 1.00000i 0.350500 2.80663i −2.10788 2.13468i −0.757207 + 1.19442i
71.6 −1.19442 + 0.757207i 0.667879 + 1.59810i 0.853276 1.80884i 1.00000i −2.00782 1.40309i 1.00000i 0.350500 + 2.80663i −2.10788 + 2.13468i −0.757207 1.19442i
71.7 −1.09123 0.899566i 0.826488 + 1.52214i 0.381563 + 1.96327i 1.00000i 0.467378 2.40449i 1.00000i 1.34971 2.48561i −1.63383 + 2.51607i −0.899566 + 1.09123i
71.8 −1.09123 + 0.899566i 0.826488 1.52214i 0.381563 1.96327i 1.00000i 0.467378 + 2.40449i 1.00000i 1.34971 + 2.48561i −1.63383 2.51607i −0.899566 1.09123i
71.9 −0.275453 1.38713i −1.30386 + 1.14015i −1.84825 + 0.764177i 1.00000i 1.94069 + 1.49456i 1.00000i 1.56912 + 2.35327i 0.400103 2.97320i −1.38713 + 0.275453i
71.10 −0.275453 + 1.38713i −1.30386 1.14015i −1.84825 0.764177i 1.00000i 1.94069 1.49456i 1.00000i 1.56912 2.35327i 0.400103 + 2.97320i −1.38713 0.275453i
71.11 −0.269719 1.38825i 0.0343495 1.73171i −1.85450 + 0.748876i 1.00000i −2.41332 + 0.419388i 1.00000i 1.53983 + 2.37254i −2.99764 0.118967i 1.38825 0.269719i
71.12 −0.269719 + 1.38825i 0.0343495 + 1.73171i −1.85450 0.748876i 1.00000i −2.41332 0.419388i 1.00000i 1.53983 2.37254i −2.99764 + 0.118967i 1.38825 + 0.269719i
71.13 0.0797590 1.41196i 1.52443 + 0.822258i −1.98728 0.225233i 1.00000i 1.28258 2.08686i 1.00000i −0.476524 + 2.78800i 1.64778 + 2.50695i 1.41196 + 0.0797590i
71.14 0.0797590 + 1.41196i 1.52443 0.822258i −1.98728 + 0.225233i 1.00000i 1.28258 + 2.08686i 1.00000i −0.476524 2.78800i 1.64778 2.50695i 1.41196 0.0797590i
71.15 0.637711 1.26227i −1.30156 + 1.14278i −1.18665 1.60993i 1.00000i 0.612484 + 2.37168i 1.00000i −2.78890 + 0.471201i 0.388091 2.97479i 1.26227 + 0.637711i
71.16 0.637711 + 1.26227i −1.30156 1.14278i −1.18665 + 1.60993i 1.00000i 0.612484 2.37168i 1.00000i −2.78890 0.471201i 0.388091 + 2.97479i 1.26227 0.637711i
71.17 0.859821 1.12281i 1.72451 + 0.161413i −0.521414 1.93084i 1.00000i 1.66401 1.79752i 1.00000i −2.61629 1.07472i 2.94789 + 0.556719i −1.12281 0.859821i
71.18 0.859821 + 1.12281i 1.72451 0.161413i −0.521414 + 1.93084i 1.00000i 1.66401 + 1.79752i 1.00000i −2.61629 + 1.07472i 2.94789 0.556719i −1.12281 + 0.859821i
71.19 1.09313 0.897253i 1.62224 0.606916i 0.389874 1.96163i 1.00000i 1.22876 2.11900i 1.00000i −1.33390 2.49414i 2.26331 1.96912i 0.897253 + 1.09313i
71.20 1.09313 + 0.897253i 1.62224 + 0.606916i 0.389874 + 1.96163i 1.00000i 1.22876 + 2.11900i 1.00000i −1.33390 + 2.49414i 2.26331 + 1.96912i 0.897253 1.09313i
See all 24 embeddings
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 71.24
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
12.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 420.2.n.a 24
3.b odd 2 1 420.2.n.b yes 24
4.b odd 2 1 420.2.n.b yes 24
12.b even 2 1 inner 420.2.n.a 24
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
420.2.n.a 24 1.a even 1 1 trivial
420.2.n.a 24 12.b even 2 1 inner
420.2.n.b yes 24 3.b odd 2 1
420.2.n.b yes 24 4.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{11}^{12} - 76 T_{11}^{10} + 100 T_{11}^{9} + 1829 T_{11}^{8} - 4844 T_{11}^{7} - 11202 T_{11}^{6} + \cdots + 7552 \) acting on \(S_{2}^{\mathrm{new}}(420, [\chi])\). Copy content Toggle raw display