Properties

Label 2.2159.15t2.a.d
Dimension $2$
Group $D_{15}$
Conductor $2159$
Root number $1$
Indicator $1$

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Basic invariants

Dimension: $2$
Group: $D_{15}$
Conductor: \(2159\)\(\medspace = 17 \cdot 127 \)
Frobenius-Schur indicator: $1$
Root number: $1$
Artin stem field: Galois closure of 15.1.218659573334046061397519.1
Galois orbit size: $4$
Smallest permutation container: $D_{15}$
Parity: odd
Determinant: 1.2159.2t1.a.a
Projective image: $D_{15}$
Projective stem field: Galois closure of 15.1.218659573334046061397519.1

Defining polynomial

$f(x)$$=$ \( x^{15} - 15 x^{12} + 14 x^{11} + 101 x^{10} + 110 x^{9} - 304 x^{8} - 603 x^{7} - 60 x^{6} + 921 x^{5} + \cdots + 1 \) Copy content Toggle raw display .

The roots of $f$ are computed in an extension of $\Q_{ 47 }$ to precision 5.

Minimal polynomial of a generator $a$ of $K$ over $\mathbb{Q}_{ 47 }$: \( x^{5} + x + 42 \) Copy content Toggle raw display

Roots:
$r_{ 1 }$ $=$ \( 9 a^{3} + 37 a^{2} + 34 a + 5 + \left(29 a^{4} + 19 a^{3} + 34 a^{2} + 45 a + 1\right)\cdot 47 + \left(20 a^{4} + 28 a^{3} + 20 a^{2} + 30 a + 12\right)\cdot 47^{2} + \left(46 a^{4} + 42 a^{3} + 8 a^{2} + 43 a + 23\right)\cdot 47^{3} + \left(a^{4} + 29 a^{3} + 4 a^{2} + 15 a + 24\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 2 }$ $=$ \( 5 a^{4} + 30 a^{3} + 43 a^{2} + 43 a + 33 + \left(43 a^{4} + 17 a^{3} + 11 a^{2} + 30 a + 33\right)\cdot 47 + \left(31 a^{4} + 10 a^{2} + 36 a + 35\right)\cdot 47^{2} + \left(21 a^{4} + 4 a^{3} + 18 a^{2} + 38 a + 20\right)\cdot 47^{3} + \left(41 a^{4} + 38 a^{3} + 34 a^{2} + 8 a + 44\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 3 }$ $=$ \( 6 a^{4} + 24 a^{3} + 26 a^{2} + 27 a + 15 + \left(3 a^{4} + 34 a^{3} + 15 a^{2} + 45 a + 39\right)\cdot 47 + \left(30 a^{4} + 36 a^{3} + 7 a^{2} + 35 a + 24\right)\cdot 47^{2} + \left(24 a^{4} + 31 a^{3} + 25 a^{2} + 18 a + 32\right)\cdot 47^{3} + \left(22 a^{4} + 45 a^{3} + 23 a^{2} + 15 a + 38\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 4 }$ $=$ \( 9 a^{4} + 10 a^{3} + 21 a^{2} + 25 a + 31 + \left(41 a^{4} + 36 a^{3} + 41 a^{2} + 35 a + 29\right)\cdot 47 + \left(8 a^{4} + 44 a^{3} + 40 a^{2} + 24 a + 2\right)\cdot 47^{2} + \left(a^{4} + 12 a^{3} + 14 a^{2} + 22 a + 34\right)\cdot 47^{3} + \left(24 a^{4} + 35 a^{3} + 34 a^{2} + 4 a + 32\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 5 }$ $=$ \( 17 a^{4} + 24 a^{3} + 35 a^{2} + 32 a + 36 + \left(2 a^{4} + 15 a^{3} + 15 a^{2} + 26 a + 24\right)\cdot 47 + \left(3 a^{4} + a^{2} + 3 a + 15\right)\cdot 47^{2} + \left(22 a^{4} + 30 a^{3} + 6 a^{2} + 26 a + 9\right)\cdot 47^{3} + \left(26 a^{4} + 28 a^{3} + 9 a^{2} + 18 a + 15\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 6 }$ $=$ \( 19 a^{4} + 43 a^{3} + 20 a^{2} + 37 a + 39 + \left(28 a^{4} + 17 a^{3} + 13 a^{2} + 24 a + 28\right)\cdot 47 + \left(17 a^{4} + 10 a^{3} + 2 a^{2} + 15 a + 9\right)\cdot 47^{2} + \left(43 a^{4} + 32 a^{3} + 33 a^{2} + 12 a + 30\right)\cdot 47^{3} + \left(10 a^{4} + 40 a^{3} + 4 a^{2} + 12 a + 31\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 7 }$ $=$ \( 21 a^{4} + 42 a^{3} + 27 a^{2} + 11 a + 27 + \left(37 a^{4} + 2 a^{3} + 37 a^{2} + 43 a + 38\right)\cdot 47 + \left(a^{4} + 13 a^{3} + 20 a^{2} + 30 a + 39\right)\cdot 47^{2} + \left(5 a^{4} + 40 a^{3} + 34 a^{2} + 24 a + 16\right)\cdot 47^{3} + \left(40 a^{4} + 2 a^{3} + 20 a^{2} + 13 a + 43\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 8 }$ $=$ \( 23 a^{4} + 19 a^{3} + 13 a^{2} + 38 a + 22 + \left(8 a^{4} + 35 a^{3} + 2 a^{2} + 5 a + 1\right)\cdot 47 + \left(17 a^{4} + 46 a^{3} + 5 a^{2} + 28 a + 8\right)\cdot 47^{2} + \left(22 a^{4} + 21 a^{3} + 6 a^{2} + 5 a\right)\cdot 47^{3} + \left(13 a^{4} + 6 a^{3} + a^{2} + 25 a + 33\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 9 }$ $=$ \( 24 a^{4} + 19 a^{3} + 44 a^{2} + 22 a + 20 + \left(9 a^{4} + 39 a^{3} + 9 a^{2} + 42 a + 44\right)\cdot 47 + \left(9 a^{4} + 18 a^{3} + 21 a^{2} + 34 a + 26\right)\cdot 47^{2} + \left(25 a^{4} + 29 a^{3} + 32 a^{2} + 44 a + 23\right)\cdot 47^{3} + \left(31 a^{4} + 10 a^{3} + 41 a^{2} + 5 a + 36\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 10 }$ $=$ \( 25 a^{4} + 40 a^{3} + 16 a^{2} + 19 a + 25 + \left(a^{4} + 13 a^{3} + 19 a^{2} + 36 a + 35\right)\cdot 47 + \left(12 a^{4} + 46 a^{3} + 35 a^{2} + 6 a + 42\right)\cdot 47^{2} + \left(3 a^{4} + 12 a^{3} + 22 a^{2} + 29 a + 16\right)\cdot 47^{3} + \left(26 a^{4} + 27 a^{3} + 3 a^{2} + 19 a + 34\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 11 }$ $=$ \( 32 a^{4} + 13 a^{3} + 42 a + 1 + \left(2 a^{4} + 23 a^{3} + 37 a^{2} + 12 a + 25\right)\cdot 47 + \left(8 a^{4} + 12 a^{3} + 45 a^{2} + 33 a + 19\right)\cdot 47^{2} + \left(21 a^{4} + 2 a^{3} + 6 a^{2} + 5 a + 27\right)\cdot 47^{3} + \left(13 a^{3} + 36 a^{2} + 27 a + 22\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 12 }$ $=$ \( 32 a^{4} + 13 a^{3} + 20 a^{2} + 10 a + 1 + \left(15 a^{4} + 37 a^{3} + 24 a^{2} + 5 a + 26\right)\cdot 47 + \left(10 a^{4} + 22 a^{3} + 31 a^{2} + 2\right)\cdot 47^{2} + \left(42 a^{4} + 13 a^{3} + 44 a^{2} + 36 a + 16\right)\cdot 47^{3} + \left(22 a^{4} + 36 a^{3} + 25 a^{2} + 38 a + 12\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 13 }$ $=$ \( 37 a^{4} + 25 a^{3} + 26 a^{2} + 19 a + 5 + \left(17 a^{4} + 29 a^{3} + 14 a^{2} + 43 a + 37\right)\cdot 47 + \left(8 a^{4} + 11 a^{3} + 10 a^{2} + 28 a + 19\right)\cdot 47^{2} + \left(33 a^{4} + 26 a^{3} + 30 a^{2} + 20 a + 46\right)\cdot 47^{3} + \left(30 a^{4} + 9 a^{3} + 21 a^{2} + 31 a + 27\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 14 }$ $=$ \( 38 a^{4} + 26 a^{3} + a^{2} + 38 a + 3 + \left(46 a^{3} + 19 a^{2} + 25 a + 28\right)\cdot 47 + \left(21 a^{4} + 24 a^{3} + 34 a^{2} + 2 a + 17\right)\cdot 47^{2} + \left(17 a^{4} + 35 a^{3} + 30 a^{2} + 14 a + 17\right)\cdot 47^{3} + \left(5 a^{4} + 43 a^{3} + 20 a^{2} + 3 a + 34\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display
$r_{ 15 }$ $=$ \( 41 a^{4} + 39 a^{3} + 26 a + 19 + \left(40 a^{4} + 6 a^{3} + 32 a^{2} + 45 a + 29\right)\cdot 47 + \left(34 a^{4} + 11 a^{3} + 41 a^{2} + 15 a + 4\right)\cdot 47^{2} + \left(46 a^{4} + 40 a^{3} + 14 a^{2} + 33 a + 14\right)\cdot 47^{3} + \left(30 a^{4} + 7 a^{3} + 41 a + 38\right)\cdot 47^{4} +O(47^{5})\) Copy content Toggle raw display

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

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

Character values on conjugacy classes

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

The blue line marks the conjugacy class containing complex conjugation.