Finite Group Databasebeta
Cayley diagram

C2×#3340 #61231

order256
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3340

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#555C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

959 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);(3,4,7,6)(5,9,10,8)(11,12)(13,17)(14,21)(15,23)(16,19)(18,20)(22,25)(24,26);(3,5)(4,8)(6,9)(7,10)(11,13,16,15)(12,17,19,23)(14,20,22,24)(18,25,26,21);(3,6,7,4)(5,9,10,8)(11,14)(12,18)(13,20)(15,24)(16,22)(17,25)(19,26)(21,23);(5,10)(8,9)(11,13,16,15)(12,17,19,23)(14,20,22,24)(18,25,26,21)

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220317, #220353, #220387, …
maximal normal subgroup of#220317, #220353, #220387, …
maximal quotient ofC2×#22489, C2×#22490, C2×#22610, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54219);