Group GAP4(40,9)

Name: C20 x C2
Maximal quotients:GAP4(8,2) GAP4(20,2) GAP4(20,5)
Real polynomial:

x^40-40*x^38+740*x^36-8400*x^34+65450*x^32-371008*x^30+1582240*x^28-5178240*\
x^26+13147875*x^24-26013000*x^22+40060019*x^20-47720380*x^18+43459480*x^16-2\
9715200*x^14+14855725*x^12-5226012*x^10+1221495*x^8-172920*x^6+12475*x^4-300\
*x^2+1

Common denominator of the automorphisms:

Complex polynomial:

x^40-x^30+x^20-x^10+1

Common denominator of the automorphisms:

Database of Galois polynomials by Bill Allombert and Igor Schein.
Last Modified: Sat, 16 Jun 2018 12:23:16 +0200
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