Finite Group Databasebeta

C2×2−1+4×C257 #30656453

order16448
nilpotency class2
isoclinismisoclinic class of H(5,𝔽2)
automorphism?
homologyAbelianization (H1) = C25×C257 · Schur multiplier (H2) = C29

Aliases

direct productC2×2−1+4×C257

Subgroups

subgroupG/H
center, socleC22×C257C24
commutator, Frattini, cosocleC2C25×C257
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C257 ◁ G

794 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Conjugacy classes & character table

8738 conjugacy classes. The character table is too large to display.

Relationships

Fitting subgroup of#45664279, #45664295
maximal subgroup of#1793×C257, #1796×C257, #2884×C257, …
maximal normal subgroup of#1793×C257, #1796×C257, #2884×C257, …
maximal quotient ofC2×#519×C257, C2×#520×C257, C4×2−1+4×C257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 265);