Finite Group Databasebeta

C2551⋊C8 #35205244

order20408
automorphism?
homologyAbelianization (H1) = C8 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC2551⋊C8

Splittings

derived, SylowC2551 ⋊ C8

Subgroups

subgroupG/H
center, Frattini, hypercenterC4D2551
commutator, hypocenterC2551C8
Fitting, cosocleC4×C2551C2
socle, prime radicalC2×C2551C4
LCSG ▷ C2551
UCSC1 ◁ C4

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 20408

Polycyclic presentation:

2^3,2551|a^2=b,b^2=c,d^a=d^2550

Conjugacy classes & character table

5108 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20408, 6);