CICY Coxeter DB | 4789

CICY4789

  • rank 1
  • ℤ₂
  • finite
Favorable Kähler-favProduct
h1,1h^{1,1}
6
h2,1h^{2,1}
28
χ\chi
−44
ambient factors
6
polynomials
8
iso-flops
1
Coxeter rank
1
Coxeter group
ℤ₂
Configuration matrix
6×8 configuration
X4789=[P111000000P100110000P210002000P201100100P200000111P300011011]−446,28X_{4789} = \left[\begin{array}{c|cccccccc} \mathbb{P}^{1} & 1 & 1 & 0 & 0 & 0 & 0 & 0 & 0 \\ \mathbb{P}^{1} & 0 & 0 & 1 & 1 & 0 & 0 & 0 & 0 \\ \mathbb{P}^{2} & 1 & 0 & 0 & 0 & 2 & 0 & 0 & 0 \\ \mathbb{P}^{2} & 0 & 1 & 1 & 0 & 0 & 1 & 0 & 0 \\ \mathbb{P}^{2} & 0 & 0 & 0 & 0 & 0 & 1 & 1 & 1 \\ \mathbb{P}^{3} & 0 & 0 & 0 & 1 & 1 & 0 & 1 & 1 \end{array}\right]^{6,28}_{-44}
Second Chern class
c2(X)⋅Di=(242436363644)Tc_2(X)\cdot D_i = \begin{pmatrix} 24 & 24 & 36 & 36 & 36 & 44 \end{pmatrix}^{T}
Coxeter diagram Gallery →
Coxeter matrix
(1)\begin{pmatrix} 1 \end{pmatrix}
Iso-flop reflections Kähler representation
M^1\hat{M}_1: row 3, Type 2
M^1=(10200001000000−1000000100000010001001)\hat{M}_1 = \begin{pmatrix} 1 & 0 & 2 & 0 & 0 & 0 \\ 0 & 1 & 0 & 0 & 0 & 0 \\ 0 & 0 & -1 & 0 & 0 & 0 \\ 0 & 0 & 0 & 1 & 0 & 0 \\ 0 & 0 & 0 & 0 & 1 & 0 \\ 0 & 0 & 1 & 0 & 0 & 1 \end{pmatrix}

Database record

Mathematica 
<|Num -> 4789, H11 -> 6, H21 -> 28, C2 -> {24, 24, 36, 36, 36, 44}, Conf -> {{1, 1, 0, 0, 0, 0, 0, 0}, {0, 0, 1, 1, 0, 0, 0, 0}, {1, 0, 0, 0, 2, 0, 0, 0}, {0, 1, 1, 0, 0, 1, 0, 0}, {0, 0, 0, 0, 0, 1, 1, 1}, {0, 0, 0, 1, 1, 0, 1, 1}}, Favour -> True, KahlerPos -> True, IsProduct -> False, IsoFlopRows -> {{3, "Type 2"}}, KahlerRefGens -> {{{1, 0, 2, 0, 0, 0}, {0, 1, 0, 0, 0, 0}, {0, 0, -1, 0, 0, 0}, {0, 0, 0, 1, 0, 0}, {0, 0, 0, 0, 1, 0}, {0, 0, 1, 0, 0, 1}}}, CoxeterMat -> {{1}}|>
Plain text 
Num           : 4789
H11           : 6
H21           : 28
C2            : {24, 24, 36, 36, 36, 44}
Conf          : {{1, 1, 0, 0, 0, 0, 0, 0}, {0, 0, 1, 1, 0, 0, 0, 0}, {1, 0, 0, 0, 2, 0, 0, 0}, {0, 1, 1, 0, 0, 1, 0, 0}, {0, 0, 0, 0, 0, 1, 1, 1}, {0, 0, 0, 1, 1, 0, 1, 1}}
Favour        : True
KahlerPos     : True
IsProduct     : False
IsoFlopRows   : {{3, "Type 2"}}
KahlerRefGens : {{{1, 0, 2, 0, 0, 0}, {0, 1, 0, 0, 0, 0}, {0, 0, -1, 0, 0, 0}, {0, 0, 0, 1, 0, 0}, {0, 0, 0, 0, 1, 0}, {0, 0, 1, 0, 0, 1}}}
CoxeterMat    : {{1}}