Finite Group Databasebeta
Cayley diagram

C2×#3061 #60449

order256
nilpotency class3
isoclinismisoclinic class of #3057
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C29

Aliases

direct productC2×#3061

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×#41 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1403 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#129771, #129774, #147632, …
maximal normal subgroup of#129771, #129774, #147632, …
maximal quotient ofC2×#19190, C2×#19195, C2×#19201, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53437);