Finite Group Databasebeta
Cayley diagram

C2×#3275 #61034

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3275

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

1451 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220489, C4×#3275, #6383821, …
maximal normal subgroup of#220489, C4×#3275, #6383821, …
maximal quotient ofC2×#19886, C2×#19893, C2×#19894, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54022);