Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #60454 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C29 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×#41 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
1435 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 32 |
A minimal faithful permutation representation — 5 generators on 20 points:
(1,2)(3,4)(6,10)(8,15)(11,16)(12,17)(14,19)(18,20);(5,6,8,10,9,12,15,17)(7,11,14,16,13,18,19,20);(2,4)(5,7)(6,11)(8,14)(9,13)(10,16)(12,18)(15,19)(17,20);(7,13)(11,18)(14,19)(16,20);(6,12)(10,17)(11,18)(16,20)Polycyclic presentation:
2^8|b^2=f,f^2=h,b^a=bf,c^a=cg,f^a=fh,e^b=eh,d^c=dh58 conjugacy classes — view the full character table.
| maximal subgroup of | #147745, #147747, #375190, … |
| maximal normal subgroup of | #147745, #147747, #375190, … |
| maximal quotient of | #6353765, #6353768, #6353771, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 53442);