Finite Group Databasebeta
Cayley diagram

C2×#2801 #52259

order256
nilpotency class2
isoclinismisoclinic class of #2668
automorphismAut(G) order 1572864
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2801

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC23×D4C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1111 conjugacy classes of subgroups; only the 463 normal subgroups are shown.

normal subgroups only

This group has 1111 conjugacy classes of subgroups — too many to draw. Only its 463 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#2801⋊C3
maximal subgroup ofC4×#2801, #528973, #529047, …
maximal normal subgroup ofC4×#2801, #528973, #529047, …
maximal quotient ofC2×#14434, C2×#14459, C2×#14504, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 45247);