Properties

Label 768.2.z.a
Level $768$
Weight $2$
Character orbit 768.z
Analytic conductor $6.133$
Analytic rank $0$
Dimension $2048$
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] = [768,2,Mod(13,768)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(768, base_ring=CyclotomicField(64))
 
chi = DirichletCharacter(H, H._module([0, 47, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("768.13");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 768 = 2^{8} \cdot 3 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 768.z (of order \(64\), degree \(32\), 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: \(6.13251087523\)
Analytic rank: \(0\)
Dimension: \(2048\)
Relative dimension: \(64\) over \(\Q(\zeta_{64})\)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{64}]$

$q$-expansion

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

\(\operatorname{Tr}(f)(q) = \) \( 2048 q+O(q^{10}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q) = \) \( 2048 q+O(q^{100}) \) 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   \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
13.1 −1.41359 + 0.0418894i −0.595699 + 0.803208i 1.99649 0.118429i −0.327704 + 0.361566i 0.808431 1.16036i 0.00690361 + 0.0129157i −2.81726 + 0.251042i −0.290285 0.956940i 0.448095 0.524835i
13.2 −1.41350 + 0.0449561i 0.595699 0.803208i 1.99596 0.127091i −0.976967 + 1.07792i −0.805911 + 1.16211i 1.24169 + 2.32303i −2.81557 + 0.269373i −0.290285 0.956940i 1.33248 1.56756i
13.3 −1.40260 0.180850i 0.595699 0.803208i 1.93459 + 0.507320i −1.16541 + 1.28583i −0.980789 + 1.01885i 0.519267 + 0.971481i −2.62171 1.06144i −0.290285 0.956940i 1.86715 1.59275i
13.4 −1.40141 0.189837i −0.595699 + 0.803208i 1.92792 + 0.532081i −2.39330 + 2.64060i 0.987300 1.01254i 0.550061 + 1.02909i −2.60081 1.11166i −0.290285 0.956940i 3.85529 3.24623i
13.5 −1.31235 + 0.527010i 0.595699 0.803208i 1.44452 1.38324i 2.40204 2.65024i −0.358467 + 1.36803i −1.04282 1.95097i −1.16673 + 2.57657i −0.290285 0.956940i −1.75561 + 4.74394i
13.6 −1.28906 + 0.581660i 0.595699 0.803208i 1.32334 1.49959i −2.89087 + 3.18959i −0.300698 + 1.38188i −1.59573 2.98541i −0.833617 + 2.70279i −0.290285 0.956940i 1.87125 5.79307i
13.7 −1.28767 + 0.584731i −0.595699 + 0.803208i 1.31618 1.50588i −0.794581 + 0.876685i 0.297403 1.38259i −1.79620 3.36045i −0.814267 + 2.70868i −0.290285 0.956940i 0.510531 1.59349i
13.8 −1.27841 0.604702i 0.595699 0.803208i 1.26867 + 1.54612i 2.84678 3.14094i −1.24725 + 0.666609i 1.05684 + 1.97721i −0.686944 2.74374i −0.290285 0.956940i −5.53870 + 2.29396i
13.9 −1.27105 0.620023i −0.595699 + 0.803208i 1.23114 + 1.57616i 2.05611 2.26857i 1.25517 0.651571i 1.47679 + 2.76288i −0.587592 2.76672i −0.290285 0.956940i −4.01999 + 1.60863i
13.10 −1.23955 + 0.680812i −0.595699 + 0.803208i 1.07299 1.68781i −0.0613270 + 0.0676639i 0.191568 1.40118i 1.39357 + 2.60719i −0.180950 + 2.82263i −0.290285 0.956940i 0.0299517 0.125625i
13.11 −1.22972 + 0.698414i 0.595699 0.803208i 1.02444 1.71771i −0.583087 + 0.643337i −0.171574 + 1.40377i 0.568107 + 1.06285i −0.0601003 + 2.82779i −0.290285 0.956940i 0.267720 1.19836i
13.12 −1.22570 0.705459i 0.595699 0.803208i 1.00466 + 1.72935i 0.365682 0.403468i −1.29678 + 0.564246i −1.13087 2.11570i −0.0114149 2.82840i −0.290285 0.956940i −0.732845 + 0.236555i
13.13 −1.18968 0.764631i −0.595699 + 0.803208i 0.830679 + 1.81933i −0.610959 + 0.674089i 1.32285 0.500070i 2.04708 + 3.82983i 0.402876 2.79959i −0.290285 0.956940i 1.24228 0.334793i
13.14 −1.05561 0.941111i −0.595699 + 0.803208i 0.228622 + 1.98689i −0.573397 + 0.632646i 1.38473 0.287254i −0.583115 1.09093i 1.62855 2.31254i −0.290285 0.956940i 1.20067 0.128197i
13.15 −1.04992 + 0.947452i 0.595699 0.803208i 0.204669 1.98950i 1.31140 1.44691i 0.135563 + 1.40770i 1.32278 + 2.47475i 1.67007 + 2.28273i −0.290285 0.956940i −0.00599155 + 2.76162i
13.16 −0.944846 + 1.05227i −0.595699 + 0.803208i −0.214534 1.98846i 1.33230 1.46997i −0.282345 1.38574i 0.822805 + 1.53936i 2.29509 + 1.65304i −0.290285 0.956940i 0.287980 + 2.79083i
13.17 −0.931240 + 1.06433i −0.595699 + 0.803208i −0.265584 1.98229i 2.54694 2.81011i −0.300137 1.38200i −2.20759 4.13011i 2.35713 + 1.56332i −0.290285 0.956940i 0.619069 + 5.32767i
13.18 −0.860470 1.12232i 0.595699 0.803208i −0.519184 + 1.93144i −1.93867 + 2.13899i −1.41403 + 0.0225731i −1.40064 2.62041i 2.61442 1.07925i −0.290285 0.956940i 4.06879 + 0.335261i
13.19 −0.806589 1.16164i −0.595699 + 0.803208i −0.698828 + 1.87394i 2.26883 2.50327i 1.41352 + 0.0441314i −2.04067 3.81782i 2.74051 0.699709i −0.290285 0.956940i −4.73792 0.616462i
13.20 −0.797967 1.16758i 0.595699 0.803208i −0.726497 + 1.86338i 1.05514 1.16417i −1.41316 0.0545948i 1.83096 + 3.42548i 2.75538 0.638674i −0.290285 0.956940i −2.20122 0.302995i
See next 80 embeddings (of 2048 total)
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 13.64
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
256.m even 64 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 768.2.z.a 2048
256.m even 64 1 inner 768.2.z.a 2048
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
768.2.z.a 2048 1.a even 1 1 trivial
768.2.z.a 2048 256.m even 64 1 inner

Hecke kernels

This newform subspace is the entire newspace \(S_{2}^{\mathrm{new}}(768, [\chi])\).