Finite Group Databasebeta
Cayley diagram

C2×#2778 #52219

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C4

Aliases

direct productC2×#2778

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC2×#392C2
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1381 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);(4,7)(5,9)(11,12,14,15)(13,16,17,18)(19,20)(21,25)(22,23)(24,26);(4,7)(8,10)(12,15)(13,17)(20,23)(21,26);(3,4)(5,8)(6,7)(9,10)(11,12)(13,16)(14,15)(17,18)(19,20)(21,24)(22,23)(25,26);(3,5,6,9)(4,8,7,10)(11,13)(12,16)(14,17)(15,18)(19,21,22,26)(20,24,23,25)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2778, #528911, #528930, …
maximal normal subgroup ofC4×#2778, #528911, #528930, …
maximal quotient ofC2×#14391, C2×#14415, C2×#14427, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45207);