Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #327 |
| automorphism | Aut(G) order 32768 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C26 |
| direct product | C2×#1501 |
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C22⋊C4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| socle | C23 | C2×C22⋊C4 |
| prime radical | C2×#525 | C2 |
| LCS | G ▷ C2×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ C24×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
803 conjugacy classes of subgroups.
| minimal degree | μ(G) = 18 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 18 points:
(1,2);(3,4)(5,9,10,7)(6,8)(12,16,17,18);(3,5)(4,7)(6,10)(8,9)(11,12)(13,16)(14,18)(15,17);(11,13,15,14)(12,16,17,18)76 conjugacy classes — view the full character table.
| maximal subgroup of | #106037, #107989, #107996, … |
| maximal normal subgroup of | #106037, #107989, #107996, … |
| maximal quotient of | C2×#7563, C2×#7564, C2×#7565, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 10518);