Properties

Label 900.2.n.a
Level $900$
Weight $2$
Character orbit 900.n
Analytic conductor $7.187$
Analytic rank $0$
Dimension $8$
CM no
Inner twists $2$

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Newspace parameters

Level: \( N \) \(=\) \( 900 = 2^{2} \cdot 3^{2} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 900.n (of order \(5\), degree \(4\), minimal)

Newform invariants

Self dual: no
Analytic conductor: \(7.18653618192\)
Analytic rank: \(0\)
Dimension: \(8\)
Relative dimension: \(2\) over \(\Q(\zeta_{5})\)
Coefficient field: \(\Q(\zeta_{15})\)
Defining polynomial: \(x^{8} - x^{7} + x^{5} - x^{4} + x^{3} - x + 1\)
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 5 \)
Twist minimal: no (minimal twist has level 300)
Sato-Tate group: $\mathrm{SU}(2)[C_{5}]$

$q$-expansion

Coefficients of the \(q\)-expansion are expressed in terms of a primitive root of unity \(\zeta_{15}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( 2 - \zeta_{15}^{2} + 2 \zeta_{15}^{3} - 2 \zeta_{15}^{4} + 2 \zeta_{15}^{5} + 2 \zeta_{15}^{6} - 2 \zeta_{15}^{7} ) q^{5} + ( -3 + \zeta_{15}^{2} - 2 \zeta_{15}^{3} + 2 \zeta_{15}^{4} - \zeta_{15}^{5} - \zeta_{15}^{6} + 3 \zeta_{15}^{7} ) q^{7} +O(q^{10})\) \( q + ( 2 - \zeta_{15}^{2} + 2 \zeta_{15}^{3} - 2 \zeta_{15}^{4} + 2 \zeta_{15}^{5} + 2 \zeta_{15}^{6} - 2 \zeta_{15}^{7} ) q^{5} + ( -3 + \zeta_{15}^{2} - 2 \zeta_{15}^{3} + 2 \zeta_{15}^{4} - \zeta_{15}^{5} - \zeta_{15}^{6} + 3 \zeta_{15}^{7} ) q^{7} + ( 2 - \zeta_{15} - \zeta_{15}^{2} + \zeta_{15}^{3} - 2 \zeta_{15}^{4} + \zeta_{15}^{5} + \zeta_{15}^{6} - 2 \zeta_{15}^{7} ) q^{11} + ( -4 + 3 \zeta_{15} + 2 \zeta_{15}^{2} - 2 \zeta_{15}^{3} + 2 \zeta_{15}^{4} - 4 \zeta_{15}^{5} - \zeta_{15}^{6} + 3 \zeta_{15}^{7} ) q^{13} + ( 1 + 3 \zeta_{15} - \zeta_{15}^{2} + \zeta_{15}^{3} - \zeta_{15}^{4} + 3 \zeta_{15}^{5} + \zeta_{15}^{6} ) q^{17} + ( 2 + 3 \zeta_{15} - \zeta_{15}^{3} + 3 \zeta_{15}^{5} + 2 \zeta_{15}^{6} ) q^{19} + ( 1 - \zeta_{15}^{2} + 3 \zeta_{15}^{5} + 2 \zeta_{15}^{6} + 2 \zeta_{15}^{7} ) q^{23} + 5 \zeta_{15}^{4} q^{25} + ( -1 + 2 \zeta_{15} - 2 \zeta_{15}^{2} + 3 \zeta_{15}^{3} + 4 \zeta_{15}^{4} + 2 \zeta_{15}^{5} + 4 \zeta_{15}^{6} - \zeta_{15}^{7} ) q^{29} + ( \zeta_{15} - 2 \zeta_{15}^{2} - 2 \zeta_{15}^{3} - 2 \zeta_{15}^{4} + \zeta_{15}^{5} ) q^{31} + ( -6 - \zeta_{15} - 4 \zeta_{15}^{3} - 3 \zeta_{15}^{5} - 3 \zeta_{15}^{6} + 3 \zeta_{15}^{7} ) q^{35} + ( 1 - 4 \zeta_{15} - 3 \zeta_{15}^{2} - \zeta_{15}^{4} + 2 \zeta_{15}^{5} - \zeta_{15}^{7} ) q^{37} + ( 1 - \zeta_{15}^{2} - \zeta_{15}^{3} - 2 \zeta_{15}^{4} + 4 \zeta_{15}^{5} + 3 \zeta_{15}^{6} - 5 \zeta_{15}^{7} ) q^{41} + ( -10 + 4 \zeta_{15} - \zeta_{15}^{2} - \zeta_{15}^{3} - 2 \zeta_{15}^{5} + 2 \zeta_{15}^{6} + 3 \zeta_{15}^{7} ) q^{43} + ( -5 + 10 \zeta_{15} - 5 \zeta_{15}^{3} + 6 \zeta_{15}^{4} - 4 \zeta_{15}^{5} + 5 \zeta_{15}^{7} ) q^{47} + ( 8 - 2 \zeta_{15} - 4 \zeta_{15}^{2} + 9 \zeta_{15}^{3} - 8 \zeta_{15}^{4} + 5 \zeta_{15}^{5} + 3 \zeta_{15}^{6} - 14 \zeta_{15}^{7} ) q^{49} + ( -1 + 2 \zeta_{15} + 3 \zeta_{15}^{2} - 4 \zeta_{15}^{3} + 4 \zeta_{15}^{4} + 2 \zeta_{15}^{5} - 3 \zeta_{15}^{6} + 4 \zeta_{15}^{7} ) q^{53} + ( 3 - \zeta_{15} - 2 \zeta_{15}^{2} + 2 \zeta_{15}^{3} + 2 \zeta_{15}^{5} - 4 \zeta_{15}^{7} ) q^{55} + ( -9 + 7 \zeta_{15} - 3 \zeta_{15}^{3} + 6 \zeta_{15}^{4} - 12 \zeta_{15}^{5} + \zeta_{15}^{6} + 5 \zeta_{15}^{7} ) q^{59} + ( 2 - 2 \zeta_{15} + 2 \zeta_{15}^{3} - 4 \zeta_{15}^{4} + 6 \zeta_{15}^{5} - \zeta_{15}^{6} + 2 \zeta_{15}^{7} ) q^{61} + ( 4 + \zeta_{15} + \zeta_{15}^{2} - 3 \zeta_{15}^{3} - 3 \zeta_{15}^{4} + \zeta_{15}^{5} + \zeta_{15}^{6} + 4 \zeta_{15}^{7} ) q^{65} + ( 9 + 2 \zeta_{15} - 4 \zeta_{15}^{2} + 6 \zeta_{15}^{3} - 4 \zeta_{15}^{4} + 2 \zeta_{15}^{5} + 9 \zeta_{15}^{6} ) q^{67} + ( 3 - 6 \zeta_{15} - 2 \zeta_{15}^{2} - 4 \zeta_{15}^{3} - 2 \zeta_{15}^{4} + 4 \zeta_{15}^{5} - 7 \zeta_{15}^{6} - 5 \zeta_{15}^{7} ) q^{71} + ( 7 - 6 \zeta_{15} - \zeta_{15}^{2} + 6 \zeta_{15}^{3} - 12 \zeta_{15}^{4} + 2 \zeta_{15}^{5} - 11 \zeta_{15}^{7} ) q^{73} + ( -5 + 2 \zeta_{15} + 3 \zeta_{15}^{2} - 2 \zeta_{15}^{3} + 4 \zeta_{15}^{4} - \zeta_{15}^{5} + 6 \zeta_{15}^{7} ) q^{77} + ( -1 + 2 \zeta_{15} + 6 \zeta_{15}^{2} - 8 \zeta_{15}^{3} + 7 \zeta_{15}^{4} + 5 \zeta_{15}^{5} - 7 \zeta_{15}^{6} + 7 \zeta_{15}^{7} ) q^{79} + ( 2 - 2 \zeta_{15}^{2} + 5 \zeta_{15}^{3} - 2 \zeta_{15}^{4} + 2 \zeta_{15}^{6} ) q^{83} + ( 1 - \zeta_{15} - \zeta_{15}^{2} + 2 \zeta_{15}^{3} + 6 \zeta_{15}^{4} - 4 \zeta_{15}^{5} + 7 \zeta_{15}^{6} ) q^{85} + ( -7 + 3 \zeta_{15} + 4 \zeta_{15}^{2} - 3 \zeta_{15}^{3} + 6 \zeta_{15}^{4} - 5 \zeta_{15}^{5} - 6 \zeta_{15}^{6} + 5 \zeta_{15}^{7} ) q^{89} + ( 4 - 2 \zeta_{15}^{2} + 3 \zeta_{15}^{3} - \zeta_{15}^{4} + 2 \zeta_{15}^{5} + 3 \zeta_{15}^{6} - 4 \zeta_{15}^{7} ) q^{91} + ( 4 - 4 \zeta_{15} - 4 \zeta_{15}^{2} + 7 \zeta_{15}^{3} + 2 \zeta_{15}^{4} + \zeta_{15}^{5} + 6 \zeta_{15}^{6} - \zeta_{15}^{7} ) q^{95} + ( 11 \zeta_{15}^{2} - 6 \zeta_{15}^{3} + 4 \zeta_{15}^{4} + 4 \zeta_{15}^{5} - 6 \zeta_{15}^{6} + 11 \zeta_{15}^{7} ) q^{97} +O(q^{100})\)
\(\operatorname{Tr}(f)(q)\) \(=\) \( 8q - 5q^{5} - 8q^{7} + O(q^{10}) \) \( 8q - 5q^{5} - 8q^{7} + 2q^{11} - 7q^{17} + 5q^{19} - 7q^{23} + 5q^{25} - 27q^{29} - 3q^{31} - 20q^{35} - 9q^{37} - 20q^{41} - 68q^{43} + 7q^{47} - 8q^{49} + 11q^{53} + 5q^{55} - 2q^{59} - 14q^{61} + 35q^{65} + 28q^{67} + 15q^{71} + 6q^{73} - 17q^{77} + 24q^{79} - 2q^{83} + 10q^{85} + 5q^{91} - 5q^{95} + 34q^{97} + O(q^{100}) \)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/900\mathbb{Z}\right)^\times\).

\(n\) \(101\) \(451\) \(577\)
\(\chi(n)\) \(1\) \(1\) \(\zeta_{15}^{5}\)

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.

Label \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
181.1
−0.978148 0.207912i
0.669131 0.743145i
−0.104528 0.994522i
0.913545 + 0.406737i
−0.104528 + 0.994522i
0.913545 0.406737i
−0.978148 + 0.207912i
0.669131 + 0.743145i
0 0 0 −2.04275 0.909491i 0 0.747238 0 0 0
181.2 0 0 0 0.233733 + 2.22382i 0 −0.511170 0 0 0
361.1 0 0 0 −2.18720 + 0.464905i 0 0.547318 0 0 0
361.2 0 0 0 1.49622 + 1.66172i 0 −4.78339 0 0 0
541.1 0 0 0 −2.18720 0.464905i 0 0.547318 0 0 0
541.2 0 0 0 1.49622 1.66172i 0 −4.78339 0 0 0
721.1 0 0 0 −2.04275 + 0.909491i 0 0.747238 0 0 0
721.2 0 0 0 0.233733 2.22382i 0 −0.511170 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 721.2
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
25.d even 5 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 900.2.n.a 8
3.b odd 2 1 300.2.m.a 8
15.d odd 2 1 1500.2.m.b 8
15.e even 4 2 1500.2.o.a 16
25.d even 5 1 inner 900.2.n.a 8
75.h odd 10 1 1500.2.m.b 8
75.h odd 10 1 7500.2.a.d 4
75.j odd 10 1 300.2.m.a 8
75.j odd 10 1 7500.2.a.g 4
75.l even 20 2 1500.2.o.a 16
75.l even 20 2 7500.2.d.d 8
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
300.2.m.a 8 3.b odd 2 1
300.2.m.a 8 75.j odd 10 1
900.2.n.a 8 1.a even 1 1 trivial
900.2.n.a 8 25.d even 5 1 inner
1500.2.m.b 8 15.d odd 2 1
1500.2.m.b 8 75.h odd 10 1
1500.2.o.a 16 15.e even 4 2
1500.2.o.a 16 75.l even 20 2
7500.2.a.d 4 75.h odd 10 1
7500.2.a.g 4 75.j odd 10 1
7500.2.d.d 8 75.l even 20 2

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{7}^{4} + 4 T_{7}^{3} - 4 T_{7}^{2} - T_{7} + 1 \) acting on \(S_{2}^{\mathrm{new}}(900, [\chi])\).

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{8} \)
$3$ \( T^{8} \)
$5$ \( 625 + 625 T + 250 T^{2} + 125 T^{3} + 75 T^{4} + 25 T^{5} + 10 T^{6} + 5 T^{7} + T^{8} \)
$7$ \( ( 1 - T - 4 T^{2} + 4 T^{3} + T^{4} )^{2} \)
$11$ \( 1 + 3 T + 23 T^{2} + T^{3} + T^{5} + 3 T^{6} - 2 T^{7} + T^{8} \)
$13$ \( 25 + 175 T + 525 T^{2} + 625 T^{3} + 390 T^{4} + 115 T^{5} + 35 T^{6} + T^{8} \)
$17$ \( 73441 - 29268 T + 9683 T^{2} - 1361 T^{3} + 690 T^{4} + 49 T^{5} + 33 T^{6} + 7 T^{7} + T^{8} \)
$19$ \( 21025 + 19575 T + 6125 T^{2} - 2075 T^{3} + 1140 T^{4} - 215 T^{5} + 45 T^{6} - 5 T^{7} + T^{8} \)
$23$ \( 961 - 5983 T + 13768 T^{2} + 4999 T^{3} + 2325 T^{4} + 389 T^{5} + 58 T^{6} + 7 T^{7} + T^{8} \)
$29$ \( 358801 + 43727 T + 154128 T^{2} + 93029 T^{3} + 26655 T^{4} + 4229 T^{5} + 428 T^{6} + 27 T^{7} + T^{8} \)
$31$ \( 77841 + 32643 T + 12528 T^{2} + 1701 T^{3} + 225 T^{4} - 9 T^{5} + 18 T^{6} + 3 T^{7} + T^{8} \)
$37$ \( 32761 - 22444 T + 12597 T^{2} - 2227 T^{3} + 90 T^{4} + 197 T^{5} + 77 T^{6} + 9 T^{7} + T^{8} \)
$41$ \( 24025 - 34100 T + 16525 T^{2} + 6800 T^{3} + 4965 T^{4} + 1120 T^{5} + 205 T^{6} + 20 T^{7} + T^{8} \)
$43$ \( ( 2371 + 1844 T + 401 T^{2} + 34 T^{3} + T^{4} )^{2} \)
$47$ \( 2627641 + 507373 T + 272158 T^{2} - 5839 T^{3} - 435 T^{4} + 151 T^{5} + 88 T^{6} - 7 T^{7} + T^{8} \)
$53$ \( 32041 - 49404 T + 33797 T^{2} - 10247 T^{3} + 2730 T^{4} - 623 T^{5} + 117 T^{6} - 11 T^{7} + T^{8} \)
$59$ \( 5480281 - 323058 T - 87277 T^{2} + 11924 T^{3} + 11925 T^{4} + 44 T^{5} + 183 T^{6} + 2 T^{7} + T^{8} \)
$61$ \( 201601 + 230786 T + 121137 T^{2} + 33298 T^{3} + 7115 T^{4} + 1402 T^{5} + 237 T^{6} + 14 T^{7} + T^{8} \)
$67$ \( 6046681 + 1691792 T + 177768 T^{2} - 29036 T^{3} + 23090 T^{4} - 3416 T^{5} + 423 T^{6} - 28 T^{7} + T^{8} \)
$71$ \( 15015625 - 968750 T - 9375 T^{2} + 8125 T^{3} + 9750 T^{4} - 1625 T^{5} + 275 T^{6} - 15 T^{7} + T^{8} \)
$73$ \( 2653641 + 1260846 T + 805302 T^{2} + 163998 T^{3} + 39240 T^{4} + 1332 T^{5} - 93 T^{6} - 6 T^{7} + T^{8} \)
$79$ \( 1846881 - 2458431 T + 1343817 T^{2} - 174123 T^{3} + 35190 T^{4} - 4887 T^{5} + 477 T^{6} - 24 T^{7} + T^{8} \)
$83$ \( 7921 - 14418 T + 11213 T^{2} - 2086 T^{3} + 915 T^{4} + 194 T^{5} + 33 T^{6} + 2 T^{7} + T^{8} \)
$89$ \( 2025 + 2025 T + 2025 T^{2} + 2025 T^{3} + 2790 T^{4} - 855 T^{5} + 105 T^{6} + T^{8} \)
$97$ \( 18139081 - 7385106 T + 2444087 T^{2} - 443668 T^{3} + 56625 T^{4} - 5692 T^{5} + 567 T^{6} - 34 T^{7} + T^{8} \)
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