Properties

Label 2.1815.15t4.a.a
Dimension $2$
Group $S_3 \times C_5$
Conductor $1815$
Root number not computed
Indicator $0$

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Basic invariants

Dimension: $2$
Group: $S_3 \times C_5$
Conductor: \(1815\)\(\medspace = 3 \cdot 5 \cdot 11^{2} \)
Artin stem field: Galois closure of 15.5.288372529877273634375.1
Galois orbit size: $4$
Smallest permutation container: $S_3 \times C_5$
Parity: odd
Determinant: 1.165.10t1.a.b
Projective image: $S_3$
Projective stem field: Galois closure of 3.1.1815.1

Defining polynomial

$f(x)$$=$ \( x^{15} - 3 x^{14} + 2 x^{13} - x^{12} - 17 x^{11} + 22 x^{10} + 99 x^{7} + 154 x^{6} + 132 x^{5} + \cdots + 197 \) Copy content Toggle raw display .

The roots of $f$ are computed in an extension of $\Q_{ 19 }$ to precision 8.

Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 19 }$: \( x^{5} + 5x + 17 \) Copy content Toggle raw display

Roots:
$r_{ 1 }$ $=$ \( 15 a^{3} + 8 a^{2} + 16 a + 4 + \left(10 a^{4} + 8 a^{3} + 8 a^{2} + 5 a + 17\right)\cdot 19 + \left(3 a^{4} + 17 a^{3} + 18 a^{2} + 5 a + 17\right)\cdot 19^{2} + \left(2 a^{4} + 2 a^{3} + 16 a^{2} + 8 a + 4\right)\cdot 19^{3} + \left(10 a^{4} + 9 a^{3} + 2 a^{2} + 12 a + 6\right)\cdot 19^{4} + \left(15 a^{4} + 6 a^{3} + 9 a^{2} + 7 a + 1\right)\cdot 19^{5} + \left(a^{4} + 6 a^{3} + 17 a^{2} + 9 a + 11\right)\cdot 19^{6} + \left(8 a^{4} + 5 a^{3} + 18 a + 9\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 2 }$ $=$ \( 2 a^{4} + 10 a^{2} + 7 a + 12 + \left(11 a^{4} + 18 a^{3} + 11 a^{2} + 12 a + 2\right)\cdot 19 + \left(3 a^{4} + 11 a^{3} + 15 a^{2} + 11 a + 18\right)\cdot 19^{2} + \left(a^{3} + 6 a^{2} + 14 a + 15\right)\cdot 19^{3} + \left(11 a^{4} + 11 a^{2} + a + 9\right)\cdot 19^{4} + \left(10 a^{4} + 16 a^{3} + 6 a^{2} + 12 a\right)\cdot 19^{5} + \left(17 a^{4} + 6 a^{3} + 12 a^{2} + 3 a + 17\right)\cdot 19^{6} + \left(a^{4} + 6 a^{3} + 3 a + 3\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 3 }$ $=$ \( 4 a^{4} + 13 a^{3} + 11 a^{2} + 2 a + 1 + \left(10 a^{4} + 14 a^{3} + 10 a^{2} + 16 a + 18\right)\cdot 19 + \left(9 a^{4} + 14 a^{3} + 6 a + 3\right)\cdot 19^{2} + \left(2 a^{4} + 4 a^{3} + 16 a^{2} + 5 a + 6\right)\cdot 19^{3} + \left(5 a^{4} + 16 a^{3} + 10 a^{2} + 17 a + 5\right)\cdot 19^{4} + \left(9 a^{4} + 14 a^{3} + 15 a^{2} + 7 a + 14\right)\cdot 19^{5} + \left(15 a^{4} + 8 a^{3} + 6 a^{2} + 9 a + 8\right)\cdot 19^{6} + \left(12 a^{4} + 15 a^{3} + 7 a^{2} + 9 a + 9\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 4 }$ $=$ \( 5 a^{4} + 7 a^{3} + 15 a^{2} + 14 a + 5 + \left(13 a^{4} + 6 a^{3} + 3 a^{2} + 6 a + 11\right)\cdot 19 + \left(5 a^{4} + 2 a^{3} + a^{2} + 6 a + 7\right)\cdot 19^{2} + \left(7 a^{4} + 14 a^{3} + 4 a^{2} + 7 a + 6\right)\cdot 19^{3} + \left(a^{4} + 3 a^{3} + 5 a^{2} + 16 a + 9\right)\cdot 19^{4} + \left(10 a^{4} + 9 a^{3} + 4 a^{2} + 5 a + 17\right)\cdot 19^{5} + \left(2 a^{3} + 11 a^{2} + 5\right)\cdot 19^{6} + \left(13 a^{4} + 2 a^{2} + 3 a + 10\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 5 }$ $=$ \( 6 a^{4} + 18 a^{3} + 6 a^{2} + 14 a + 9 + \left(3 a^{4} + 9 a^{2} + 17 a + 9\right)\cdot 19 + \left(15 a^{4} + 5 a^{3} + 3 a^{2} + 12 a + 7\right)\cdot 19^{2} + \left(8 a^{4} + 11 a^{3} + 11 a^{2} + 16 a + 12\right)\cdot 19^{3} + \left(16 a^{4} + 5 a^{3} + 13 a^{2} + 18 a + 12\right)\cdot 19^{4} + \left(11 a^{4} + 2 a^{2} + 18 a + 5\right)\cdot 19^{5} + \left(12 a^{4} + 6 a^{3} + 8 a^{2} + 14 a + 16\right)\cdot 19^{6} + \left(13 a^{4} + 15 a^{3} + 8 a^{2} + 8 a + 12\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 6 }$ $=$ \( 7 a^{4} + 5 a^{2} + 9 a + 13 + \left(a^{4} + 18 a^{3} + 7 a^{2} + 16 a + 1\right)\cdot 19 + \left(6 a^{4} + 8 a^{2} + 18 a + 9\right)\cdot 19^{2} + \left(a^{4} + 13 a^{3} + 10 a^{2} + 6 a + 1\right)\cdot 19^{3} + \left(15 a^{4} + 9 a^{3} + 18 a^{2} + 7\right)\cdot 19^{4} + \left(17 a^{4} + 13 a^{3} + 4 a^{2} + 17 a + 10\right)\cdot 19^{5} + \left(10 a^{4} + 15 a^{3} + 18 a^{2} + 12 a + 9\right)\cdot 19^{6} + \left(15 a^{4} + 12 a^{3} + 13 a^{2} + 10 a + 1\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 7 }$ $=$ \( 7 a^{4} + 10 a^{3} + 17 a^{2} + 16 a + 13 + \left(14 a^{4} + 3 a^{3} + 12 a^{2} + 15 a + 15\right)\cdot 19 + \left(15 a^{4} + 13 a^{3} + 7 a^{2} + 11 a + 9\right)\cdot 19^{2} + \left(6 a^{4} + 6 a^{2} + 15 a + 4\right)\cdot 19^{3} + \left(17 a^{4} + 7 a^{3} + 6 a + 16\right)\cdot 19^{4} + \left(17 a^{4} + 15 a^{3} + 6 a^{2} + 7 a + 10\right)\cdot 19^{5} + \left(3 a^{4} + 14 a^{3} + 15 a^{2}\right)\cdot 19^{6} + \left(8 a^{4} + 10 a^{3} + 18 a^{2} + 15 a + 10\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 8 }$ $=$ \( 7 a^{4} + 12 a^{3} + 12 a^{2} + 13 + \left(a^{4} + 14 a^{3} + 4 a^{2} + 17 a + 1\right)\cdot 19 + \left(15 a^{4} + 15 a^{3} + 6 a + 7\right)\cdot 19^{2} + \left(15 a^{4} + 10 a^{3} + 11 a^{2} + 12 a + 2\right)\cdot 19^{3} + \left(8 a^{4} + 10 a^{3} + 17 a^{2} + 3 a + 1\right)\cdot 19^{4} + \left(2 a^{4} + 3 a^{3} + 12 a^{2} + 15 a + 6\right)\cdot 19^{5} + \left(15 a^{4} + a^{3} + 10 a^{2} + 15 a + 7\right)\cdot 19^{6} + \left(2 a^{4} + 16 a^{3} + 13 a^{2} + 8 a + 7\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 9 }$ $=$ \( 7 a^{4} + 12 a^{3} + 17 a^{2} + 14 a + 13 + \left(12 a^{4} + 3 a^{3} + 11 a^{2} + 16 a + 7\right)\cdot 19 + \left(10 a^{4} + a^{3} + 12 a^{2} + 16 a + 8\right)\cdot 19^{2} + \left(3 a^{4} + 3 a^{2} + 2 a + 10\right)\cdot 19^{3} + \left(16 a^{4} + 3 a^{3} + 16 a^{2} + 12 a + 11\right)\cdot 19^{4} + \left(17 a^{4} + 2 a^{2} + 14 a + 10\right)\cdot 19^{5} + \left(3 a^{4} + 13 a^{3} + 2 a^{2} + 8 a\right)\cdot 19^{6} + \left(15 a^{4} + 9 a^{3}\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 10 }$ $=$ \( 8 a^{4} + 6 a^{3} + 13 a^{2} + a + 17 + \left(13 a^{4} + 8 a^{3} + 12 a^{2} + 15 a + 11\right)\cdot 19 + \left(8 a^{4} + 4 a^{3} + 18 a^{2} + 8 a\right)\cdot 19^{2} + \left(4 a^{4} + 10 a^{3} + 18 a^{2} + 12 a + 14\right)\cdot 19^{3} + \left(14 a^{4} + 11 a^{3} + 18 a^{2} + 6 a + 3\right)\cdot 19^{4} + \left(7 a^{4} + 6 a^{3} + 5 a^{2} + 5 a + 8\right)\cdot 19^{5} + \left(10 a^{4} + 4 a^{3} + 5 a^{2} + 9 a + 7\right)\cdot 19^{6} + \left(7 a^{4} + 3 a^{3} + 14 a^{2} + 4 a + 7\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 11 }$ $=$ \( 8 a^{4} + 15 a^{3} + 17 + \left(2 a^{4} + 3 a^{3} + 11 a + 5\right)\cdot 19 + \left(5 a^{4} + 16 a^{3} + 17 a^{2} + 16 a + 5\right)\cdot 19^{2} + \left(10 a^{4} + 12 a^{3} + 8 a^{2} + 4 a + 18\right)\cdot 19^{3} + \left(11 a^{4} + 10 a^{3} + 8 a^{2} + 14 a + 11\right)\cdot 19^{4} + \left(7 a^{4} + 8 a^{3} + 15 a^{2} + 8 a + 7\right)\cdot 19^{5} + \left(5 a^{4} + 17 a^{3} + 11 a^{2} + 13 a + 6\right)\cdot 19^{6} + \left(6 a^{4} + 5 a^{3} + a^{2} + 13 a + 2\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 12 }$ $=$ \( 10 a^{4} + 12 a^{2} + 7 a + 6 + \left(13 a^{4} + 16 a^{3} + 8 a^{2} + 8 a + 12\right)\cdot 19 + \left(2 a^{4} + a^{3} + 12 a^{2} + 13 a + 14\right)\cdot 19^{2} + \left(9 a^{4} + 18 a^{2} + 16 a + 13\right)\cdot 19^{3} + \left(12 a^{4} + 5 a^{3} + 4 a^{2} + 12 a + 15\right)\cdot 19^{4} + \left(13 a^{4} + 17 a^{3} + 6 a^{2} + 10 a + 12\right)\cdot 19^{5} + \left(17 a^{4} + 17 a^{3} + 13 a^{2} + 14 a + 17\right)\cdot 19^{6} + \left(2 a^{4} + 17 a^{3} + a + 7\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 13 }$ $=$ \( 11 a^{4} + 15 a^{3} + 17 a^{2} + a + 10 + \left(4 a^{2} + 8 a + 17\right)\cdot 19 + \left(10 a^{4} + 15 a^{3} + 13 a^{2} + a + 5\right)\cdot 19^{2} + \left(8 a^{4} + 2 a^{3} + a^{2} + 18 a + 11\right)\cdot 19^{3} + \left(9 a^{3} + 10 a^{2} + 2 a + 5\right)\cdot 19^{4} + \left(7 a^{4} + a^{3} + 14 a^{2} + 10 a + 5\right)\cdot 19^{5} + \left(14 a^{4} + 2 a^{3} + 17 a^{2} + 4 a + 4\right)\cdot 19^{6} + \left(9 a^{4} + 3 a^{3} + a^{2} + 9 a + 16\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 14 }$ $=$ \( 16 a^{4} + 3 a^{3} + 4 a^{2} + 16 a + 11 + \left(4 a^{4} + 15 a^{3} + 16 a^{2} + 11 a + 15\right)\cdot 19 + \left(2 a^{4} + 13 a^{3} + 15 a^{2} + 8 a + 12\right)\cdot 19^{2} + \left(16 a^{4} + 10 a^{3} + 16 a^{2} + 9 a + 3\right)\cdot 19^{3} + \left(13 a^{4} + 16 a^{3} + 15 a^{2} + 13 a + 2\right)\cdot 19^{4} + \left(13 a^{4} + 14 a^{2} + 14 a + 13\right)\cdot 19^{5} + \left(17 a^{4} + 3 a^{3} + 11 a^{2} + 16 a + 17\right)\cdot 19^{6} + \left(5 a^{4} + 16 a^{3}\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display
$r_{ 15 }$ $=$ \( 16 a^{4} + 7 a^{3} + 5 a^{2} + 16 a + 11 + \left(a^{4} + 10 a^{2} + 10 a + 3\right)\cdot 19 + \left(18 a^{3} + 6 a^{2} + 5 a + 4\right)\cdot 19^{2} + \left(17 a^{4} + 17 a^{3} + 7\right)\cdot 19^{3} + \left(16 a^{4} + 14 a^{3} + 16 a^{2} + 12 a + 14\right)\cdot 19^{4} + \left(7 a^{4} + 18 a^{3} + 10 a^{2} + 14 a + 8\right)\cdot 19^{5} + \left(4 a^{4} + 12 a^{3} + 8 a^{2} + 17 a + 2\right)\cdot 19^{6} + \left(9 a^{4} + 13 a^{3} + 9 a^{2} + 5 a + 14\right)\cdot 19^{7} +O(19^{8})\) Copy content Toggle raw display

Generators of the action on the roots $r_1, \ldots, r_{ 15 }$

Cycle notation
$(1,9,15,8,3,5,14,13,2,6)(4,10,7,11,12)$
$(1,5)(2,8)(3,6)(9,14)(13,15)$
$(4,13)(5,11)(6,7)(8,10)(9,12)$

Character values on conjugacy classes

SizeOrderAction on $r_1, \ldots, r_{ 15 }$ Character value
$1$$1$$()$$2$
$3$$2$$(1,5)(2,8)(3,6)(9,14)(13,15)$$0$
$2$$3$$(1,5,11)(2,8,10)(3,6,7)(4,15,13)(9,12,14)$$-1$
$1$$5$$(1,15,3,14,2)(4,7,12,10,11)(5,13,6,9,8)$$2 \zeta_{5}^{2}$
$1$$5$$(1,3,2,15,14)(4,12,11,7,10)(5,6,8,13,9)$$-2 \zeta_{5}^{3} - 2 \zeta_{5}^{2} - 2 \zeta_{5} - 2$
$1$$5$$(1,14,15,2,3)(4,10,7,11,12)(5,9,13,8,6)$$2 \zeta_{5}$
$1$$5$$(1,2,14,3,15)(4,11,10,12,7)(5,8,9,6,13)$$2 \zeta_{5}^{3}$
$3$$10$$(1,9,15,8,3,5,14,13,2,6)(4,10,7,11,12)$$0$
$3$$10$$(1,8,14,6,15,5,2,9,3,13)(4,11,10,12,7)$$0$
$3$$10$$(1,13,3,9,2,5,15,6,14,8)(4,7,12,10,11)$$0$
$3$$10$$(1,6,2,13,14,5,3,8,15,9)(4,12,11,7,10)$$0$
$2$$15$$(1,12,13,2,7,5,14,4,8,3,11,9,15,10,6)$$-\zeta_{5}$
$2$$15$$(1,13,7,14,8,11,15,6,12,2,5,4,3,9,10)$$-\zeta_{5}^{2}$
$2$$15$$(1,7,8,15,12,5,3,10,13,14,11,6,2,4,9)$$\zeta_{5}^{3} + \zeta_{5}^{2} + \zeta_{5} + 1$
$2$$15$$(1,8,12,3,13,11,2,9,7,15,5,10,14,6,4)$$-\zeta_{5}^{3}$

The blue line marks the conjugacy class containing complex conjugation.