Finite Group Databasebeta
Cayley diagram

C2×#3461 #62682

order256
nilpotency class2
isoclinismisoclinic class of #534
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C213

Aliases

direct productC2×#3461

Subgroups

subgroupG/H
centerC22×C4C24
commutator, Frattini, cosocleC22C26
socleC23C25
prime radicalC2×#537C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C22 ▷ C1

3565 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 6 generators on 26 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#184858, #184878, #184890, …
maximal normal subgroup of#184858, #184878, #184890, …
maximal quotient ofC2×#34059, C2×#34060, C2×#34083, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55670);