Group GAP4(8,3)
  
Name: D8
Maximal quotient:GAP4(4,2)  
Real polynomial:
x^8-4*x^7-8*x^6+24*x^5+30*x^4-16*x^3-20*x^2+2
Common denominator of the automorphisms:
3
Complex polynomial:
x^8+3*x^4+1
Common denominator of the automorphisms:
1
  
  Database of Galois polynomials by Bill Allombert and Igor Schein.
  
  Last Modified: Sat, 16 Jun 2018 12:23:16 +0200
  
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