| order | 250 |
| isoclinism | isoclinic class of #6953 |
| automorphism | Aut(G) = AGL(2,𝔽5) (order 12000) · Inn(G) = C5⋊D5 · Out(G) = A5⋊C4 |
| homology | Abelianization (H1) = C2 · Schur multiplier (H2) = C1 |
No aliases for this group.
| Fitting, derived, Sylow | H(3,𝔽5) ⋊ C2 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, socle, hypercenter | C5 | C5⋊D5 |
| commutator, Fitting, cosocle, hypocenter | H(3,𝔽5) | C2 |
| LCS | G ▷ H(3,𝔽5) | |
| UCS | C1 ◁ C5 | |
30 conjugacy classes of subgroups.
| minimal degree | μ(G) = 25 |
| transitive degree | μt(G) = 25 |
A minimal faithful permutation representation — 3 generators on 25 points:
(2,4)(5,10)(6,13)(7,9)(11,21)(12,20)(14,24)(15,25)(16,18)(19,22);(2,6,15,16,7)(4,9,18,25,13)(5,11,12,14,22)(10,19,24,20,21);(1,2,5,10,4)(3,7,12,20,9)(6,14,24,13,23)(8,16,22,19,18)(11,21,25,17,15)Polycyclic presentation:
2,5^3|b^a=b^4,c^a=c^4,c^b=cd22 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(250, 8);