Finite Group Databasebeta
Cayley diagram

C2×#3326 #61146

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3326

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1089 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 26 points:

(1,2);(3,4,6,8)(5,9,10,7)(11,12)(13,19)(14,22)(15,17)(16,21)(18,24)(20,26)(23,25);(3,5)(4,7)(6,10)(8,9)(13,20)(16,25)(19,26)(21,23);(11,13,15,20)(12,16,17,25)(14,23,24,21)(18,26,22,19);(5,10)(7,9)(12,17)(16,25)(18,22)(19,26)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220494, #6384099, #6384112, …
maximal normal subgroup of#220494, #6384099, #6384112, …
maximal quotient ofC2×#22429, C2×#22501, C2×#22581, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54134);