Finite Group Databasebeta
Cayley diagram

C2×#3019 #60383

order256
nilpotency class3
isoclinismisoclinic class of #3019
automorphismAut(G) order 65536
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C210

Aliases

direct productC2×#3019

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

2559 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 5 generators on 18 points:

(1,2);(3,4)(5,11)(6,14)(7,9)(8,12)(10,16)(13,18)(15,17);(3,5)(4,8)(6,15)(7,13)(9,17)(10,18)(11,14)(12,16);(6,16)(10,14)(11,18)(12,15);(4,9)(8,17)(10,14)(11,18)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147767, #152018, #152020, …
maximal normal subgroup of#147767, #152018, #152020, …
maximal quotient ofC2×#18132, C2×#18133, C2×#18137, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53371);