Finite Group Databasebeta
Cayley diagram

C2×#3322 #61142

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

Aliases

direct productC2×#3322

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

1159 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 64

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

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220492, #6384100, #6384111, …
maximal normal subgroup of#220492, #6384100, #6384111, …
maximal quotient ofC2×#22427, C2×#22501, C2×#22580, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54130);