Finite Group Databasebeta
Cayley diagram

C2×#1971 #21225

order256
nilpotency class3
isoclinismisoclinic class of #468
automorphismAut(G) order 524288
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25×C4

Aliases

direct productC2×#1971

Subgroups

subgroupG/H
center, socle, prime radicalC24C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

787 conjugacy classes of subgroups; only the 287 normal subgroups are shown.

normal subgroups only

This group has 787 conjugacy classes of subgroups — too many to draw. Only its 287 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) = 256

A minimal faithful permutation representation — 4 generators on 26 points:

(1,2);(4,6)(7,8,9,10)(11,12)(13,21)(14,17)(15,24)(16,20)(18,22)(19,25)(23,26);(3,4,5,6)(8,10)(11,13,15,14,16,22,25,23)(12,17,19,21,20,26,24,18);(11,14,15,22,16,23,25,13)(12,18,19,17,20,21,24,26)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#7111, #124652, #147428, …
maximal normal subgroup ofC2×#7111, #124652, #147428, …
maximal quotient ofC2×#9658, C2×#9664, #204292, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 14213);