Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3198 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27×C4 |
| direct product | C2×#3199 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×#41 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
1253 conjugacy classes of subgroups; only the 447 normal subgroups are shown.
This group has 1253 conjugacy classes of subgroups — too many to draw. Only its 447 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 26 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 26 points:
(1,2);(3,4)(5,9)(6,8)(7,10)(11,12)(13,16)(14,17)(15,19)(18,22)(20,24)(21,23)(25,26);(3,5)(4,7)(6,10)(8,9)(11,13,15,20)(12,16,19,24)(14,21,22,26)(17,23,18,25);(5,10)(7,9)(12,17)(14,22)(16,23)(18,19)(21,26)(24,25);(4,8)(7,9)(13,20)(16,24)(21,26)(23,25)52 conjugacy classes — view the full character table.
| maximal subgroup of | #131276, #131285, #131318, … |
| maximal normal subgroup of | #131276, #131285, #131318, … |
| maximal quotient of | C2×#21770, C2×#21947, C2×#22056, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 53731);