Newspace parameters
comment: Compute space of new eigenforms
[N,k,chi] = [770,2,Mod(81,770)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(770, base_ring=CyclotomicField(30))
chi = DirichletCharacter(H, H._module([0, 20, 6]))
N = Newforms(chi, 2, names="a")
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("770.81");
S:= CuspForms(chi, 2);
N := Newforms(S);
Level: | \( N \) | \(=\) | \( 770 = 2 \cdot 5 \cdot 7 \cdot 11 \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 770.bg (of order \(15\), degree \(8\), 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: | \(6.14848095564\) |
Analytic rank: | \(0\) |
Dimension: | \(72\) |
Relative dimension: | \(9\) over \(\Q(\zeta_{15})\) |
Twist minimal: | yes |
Sato-Tate group: | $\mathrm{SU}(2)[C_{15}]$ |
$q$-expansion
The dimension is sufficiently large that we do not compute an algebraic \(q\)-expansion, but we have computed the trace expansion.
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 | \( a_{2} \) | \( a_{3} \) | \( a_{4} \) | \( a_{5} \) | \( a_{6} \) | \( a_{7} \) | \( a_{8} \) | \( a_{9} \) | \( a_{10} \) | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
81.1 | 0.104528 | − | 0.994522i | −2.21721 | − | 2.46246i | −0.978148 | − | 0.207912i | 0.913545 | + | 0.406737i | −2.68073 | + | 1.94767i | 0.483074 | − | 2.60128i | −0.309017 | + | 0.951057i | −0.834111 | + | 7.93603i | 0.500000 | − | 0.866025i |
81.2 | 0.104528 | − | 0.994522i | −1.85952 | − | 2.06520i | −0.978148 | − | 0.207912i | 0.913545 | + | 0.406737i | −2.24826 | + | 1.63346i | −2.50940 | + | 0.838393i | −0.309017 | + | 0.951057i | −0.493674 | + | 4.69700i | 0.500000 | − | 0.866025i |
81.3 | 0.104528 | − | 0.994522i | −1.07365 | − | 1.19241i | −0.978148 | − | 0.207912i | 0.913545 | + | 0.406737i | −1.29811 | + | 0.943132i | −0.138091 | + | 2.64215i | −0.309017 | + | 0.951057i | 0.0444679 | − | 0.423084i | 0.500000 | − | 0.866025i |
81.4 | 0.104528 | − | 0.994522i | −0.957195 | − | 1.06307i | −0.978148 | − | 0.207912i | 0.913545 | + | 0.406737i | −1.15730 | + | 0.840830i | 1.99487 | − | 1.73796i | −0.309017 | + | 0.951057i | 0.0996839 | − | 0.948429i | 0.500000 | − | 0.866025i |
81.5 | 0.104528 | − | 0.994522i | 0.00718702 | + | 0.00798200i | −0.978148 | − | 0.207912i | 0.913545 | + | 0.406737i | 0.00868952 | − | 0.00631331i | 1.85370 | + | 1.88780i | −0.309017 | + | 0.951057i | 0.313573 | − | 2.98345i | 0.500000 | − | 0.866025i |
81.6 | 0.104528 | − | 0.994522i | 0.497999 | + | 0.553084i | −0.978148 | − | 0.207912i | 0.913545 | + | 0.406737i | 0.602109 | − | 0.437458i | −2.64472 | + | 0.0737512i | −0.309017 | + | 0.951057i | 0.255687 | − | 2.43270i | 0.500000 | − | 0.866025i |
81.7 | 0.104528 | − | 0.994522i | 1.20541 | + | 1.33875i | −0.978148 | − | 0.207912i | 0.913545 | + | 0.406737i | 1.45741 | − | 1.05887i | −2.40187 | + | 1.10950i | −0.309017 | + | 0.951057i | −0.0256378 | + | 0.243928i | 0.500000 | − | 0.866025i |
81.8 | 0.104528 | − | 0.994522i | 1.94146 | + | 2.15621i | −0.978148 | − | 0.207912i | 0.913545 | + | 0.406737i | 2.34733 | − | 1.70544i | 0.194710 | − | 2.63858i | −0.309017 | + | 0.951057i | −0.566387 | + | 5.38881i | 0.500000 | − | 0.866025i |
81.9 | 0.104528 | − | 0.994522i | 2.04197 | + | 2.26784i | −0.978148 | − | 0.207912i | 0.913545 | + | 0.406737i | 2.46886 | − | 1.79373i | 2.08506 | + | 1.62865i | −0.309017 | + | 0.951057i | −0.659864 | + | 6.27818i | 0.500000 | − | 0.866025i |
191.1 | −0.913545 | + | 0.406737i | −2.98500 | + | 0.634480i | 0.669131 | − | 0.743145i | −0.104528 | − | 0.994522i | 2.46886 | − | 1.79373i | −0.729555 | + | 2.54318i | −0.309017 | + | 0.951057i | 5.76700 | − | 2.56763i | 0.500000 | + | 0.866025i |
191.2 | −0.913545 | + | 0.406737i | −2.83806 | + | 0.603248i | 0.669131 | − | 0.743145i | −0.104528 | − | 0.994522i | 2.34733 | − | 1.70544i | −1.70844 | − | 2.02021i | −0.309017 | + | 0.951057i | 4.95004 | − | 2.20390i | 0.500000 | + | 0.866025i |
191.3 | −0.913545 | + | 0.406737i | −1.76210 | + | 0.374545i | 0.669131 | − | 0.743145i | −0.104528 | − | 0.994522i | 1.45741 | − | 1.05887i | 2.59531 | − | 0.514179i | −0.309017 | + | 0.951057i | 0.224066 | − | 0.0997608i | 0.500000 | + | 0.866025i |
191.4 | −0.913545 | + | 0.406737i | −0.727984 | + | 0.154738i | 0.669131 | − | 0.743145i | −0.104528 | − | 0.994522i | 0.602109 | − | 0.437458i | 2.18298 | − | 1.49486i | −0.309017 | + | 0.951057i | −2.23462 | + | 0.994917i | 0.500000 | + | 0.866025i |
191.5 | −0.913545 | + | 0.406737i | −0.0105061 | + | 0.00223315i | 0.669131 | − | 0.743145i | −0.104528 | − | 0.994522i | 0.00868952 | − | 0.00631331i | −0.390052 | + | 2.61684i | −0.309017 | + | 0.951057i | −2.74053 | + | 1.22016i | 0.500000 | + | 0.866025i |
191.6 | −0.913545 | + | 0.406737i | 1.39925 | − | 0.297419i | 0.669131 | − | 0.743145i | −0.104528 | − | 0.994522i | −1.15730 | + | 0.840830i | −2.63543 | − | 0.233487i | −0.309017 | + | 0.951057i | −0.871205 | + | 0.387886i | 0.500000 | + | 0.866025i |
191.7 | −0.913545 | + | 0.406737i | 1.56949 | − | 0.333605i | 0.669131 | − | 0.743145i | −0.104528 | − | 0.994522i | −1.29811 | + | 0.943132i | 1.66473 | + | 2.05637i | −0.309017 | + | 0.951057i | −0.388635 | + | 0.173032i | 0.500000 | + | 0.866025i |
191.8 | −0.913545 | + | 0.406737i | 2.71828 | − | 0.577788i | 0.669131 | − | 0.743145i | −0.104528 | − | 0.994522i | −2.24826 | + | 1.63346i | 2.52294 | − | 0.796716i | −0.309017 | + | 0.951057i | 4.31456 | − | 1.92096i | 0.500000 | + | 0.866025i |
191.9 | −0.913545 | + | 0.406737i | 3.24116 | − | 0.688930i | 0.669131 | − | 0.743145i | −0.104528 | − | 0.994522i | −2.68073 | + | 1.94767i | −1.91981 | − | 1.82053i | −0.309017 | + | 0.951057i | 7.28986 | − | 3.24565i | 0.500000 | + | 0.866025i |
291.1 | −0.669131 | + | 0.743145i | −2.93977 | + | 1.30887i | −0.104528 | − | 0.994522i | −0.978148 | + | 0.207912i | 0.994412 | − | 3.06048i | 1.31802 | + | 2.29409i | 0.809017 | + | 0.587785i | 4.92174 | − | 5.46614i | 0.500000 | − | 0.866025i |
291.2 | −0.669131 | + | 0.743145i | −1.49289 | + | 0.664675i | −0.104528 | − | 0.994522i | −0.978148 | + | 0.207912i | 0.504985 | − | 1.55418i | −1.80895 | − | 1.93072i | 0.809017 | + | 0.587785i | −0.220478 | + | 0.244866i | 0.500000 | − | 0.866025i |
See all 72 embeddings |
Inner twists
Char | Parity | Ord | Mult | Type |
---|---|---|---|---|
1.a | even | 1 | 1 | trivial |
7.c | even | 3 | 1 | inner |
11.c | even | 5 | 1 | inner |
77.m | even | 15 | 1 | inner |
Twists
By twisting character orbit | |||||||
---|---|---|---|---|---|---|---|
Char | Parity | Ord | Mult | Type | Twist | Min | Dim |
1.a | even | 1 | 1 | trivial | 770.2.bg.e | ✓ | 72 |
7.c | even | 3 | 1 | inner | 770.2.bg.e | ✓ | 72 |
11.c | even | 5 | 1 | inner | 770.2.bg.e | ✓ | 72 |
77.m | even | 15 | 1 | inner | 770.2.bg.e | ✓ | 72 |
By twisted newform orbit | |||||||
---|---|---|---|---|---|---|---|
Twist | Min | Dim | Char | Parity | Ord | Mult | Type |
770.2.bg.e | ✓ | 72 | 1.a | even | 1 | 1 | trivial |
770.2.bg.e | ✓ | 72 | 7.c | even | 3 | 1 | inner |
770.2.bg.e | ✓ | 72 | 11.c | even | 5 | 1 | inner |
770.2.bg.e | ✓ | 72 | 77.m | even | 15 | 1 | inner |
Hecke kernels
This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{72} - 3 T_{3}^{71} - 20 T_{3}^{70} + 55 T_{3}^{69} + 168 T_{3}^{68} - 268 T_{3}^{67} + \cdots + 959512576 \) acting on \(S_{2}^{\mathrm{new}}(770, [\chi])\).