Finite Group Databasebeta

C7⋊C256 #13240321

order1792
isoclinismisoclinic class of D7
automorphism?
homologyAbelianization (H1) = C256 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊C256

Splittings

derived, SylowC7 ⋊ C256

Subgroups

subgroupG/H
center, Frattini, hypercenterC128D7
commutator, hypocenterC7C256
Fitting, cosocleC7×C128C2
socle, prime radicalC2×C7C128
LCSG ▷ C7
UCSC1 ◁ C128

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 263
transitive degreeμt(G) = 1792

Polycyclic presentation:

2^8,7|a^2=b,b^2=c,c^2=d,d^2=e,e^2=f,f^2=g,g^2=h,i^a=i^6

Conjugacy classes & character table

640 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1792, 56093);