Finite Group Databasebeta
Cayley diagram

C2×#3311 #61135

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

Aliases

direct productC2×#3311

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#546C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1127 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)(13,17)(14,21)(15,24)(16,19)(18,20)(22,26)(23,25);(3,5)(4,7)(6,10)(8,9)(11,13,16,15)(12,17,19,24)(14,22,23,20)(18,21,26,25);(11,14)(12,18)(13,20)(15,22)(16,23)(17,25)(19,26)(21,24);(5,10)(7,9)(11,13,16,15)(12,17,19,24)(14,20,23,22)(18,25,26,21)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220325, #6384204, #6384219, …
maximal normal subgroup of#220325, #6384204, #6384219, …
maximal quotient ofC2×#22424, C2×#22494, C2×#22568, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54123);