Finite Group Databasebeta

D1237⋊C8 #34090141

order19792
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD1237⋊C8

Splittings

derived, SylowC1237 ⋊ C2×C8

Subgroups

subgroupG/H
center, hypercenterC4#19097035
commutator, hypocenterC1237C2×C8
FrattiniC2C2×#19097035
FittingC4×C1237C4
socleC2×C1237C2×C4
prime radicalC2×D1237C4
cosocleDic1237C22
LCSG ▷ C1237
UCSC1 ◁ C4

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9896

Polycyclic presentation:

2^4,1237|a^2=c,c^2=d,e^a=e^691,e^b=e^1236,e^c=e^1236

Conjugacy classes & character table

1252 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19792, 48);