Finite Group Databasebeta
Cayley diagram

C2×#2960 #60187

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 262144
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2960

Subgroups

subgroupG/H
centerC22×C8C23
commutatorC22C24×C4
Frattini, cosocleC2×C4C25
socleC23C23×C4
prime radicalC24C22×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

991 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)(5,10)(6,8)(7,9)(11,12,14,18,15,17,21,24)(13,16,19,23,20,22,25,26);(3,5,7,6)(4,8,9,10);(3,6,7,5)(4,8,9,10)(11,13,14,19,15,20,21,25)(12,16,18,23,17,22,24,26);(12,17)(16,22)(18,24)(23,26)

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#106036, #106039, #106060, …
maximal normal subgroup of#106036, #106039, #106060, …
maximal quotient ofC2×#20435, C2×#20437, C2×#20516, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53175);