C₂×C₅×D₁₅₇₇ #44538707

order	31540
automorphism	?
homology	Abelianization (H₁) = C₂²×C₅ · Schur multiplier (H₂) = C₂

Aliases

direct product	C₂×C₅×D₁₅₇₇
unambiguous semidirect product	(C₂×C₁₉)⋊(C₅×D₈₃)
unambiguous semidirect product	(C₂×C₈₃)⋊(C₅×D₁₉)

Splittings

Fitting, socle	C₂×C₅×C₁₉×C₈₃ ⋊ C₂
derived, Hall	C₁₉×C₈₃ ⋊ C₂²×C₅
Hall	C₅×C₁₉×C₈₃ ⋊ C₂²
Hall	C₅×C₈₃ ⋊ C₂×D₁₉
Hall	C₅×C₁₉ ⋊ C₂×D₈₃
Sylow	C₈₃ ⋊ C₂×C₅×D₁₉
Sylow	C₁₉ ⋊ C₂×C₅×D₈₃

Subgroups

	subgroup	G/H
center, hypercenter	C₂×C₅	D₁₅₇₇
commutator, cosocle, hypocenter	C₁₉×C₈₃	C₂²×C₅
Frattini	C₁	G
Fitting, socle	C₂×C₅×C₁₉×C₈₃	C₂
LCS	G ▷ C₁₉×C₈₃
UCS	C₁ ◁ C₂×C₅

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degree	μ(G) = 109
transitive degree	μ_t(G) = 15770

A minimal faithful permutation representation — 2 generators on 109 points:

(3,4,5,6,7)(9,10)(11,12)(13,14)(15,16)(17,18)(19,20)(21,22)(23,24)(25,26)(28,29)(30,31)(32,33)(34,35)(36,37)(38,39)(40,41)(42,43)(44,45)(46,47)(48,49)(50,51)(52,53)(54,55)(56,57)(58,59)(60,61)(62,63)(64,65)(66,67)(68,69)(70,71)(72,73)(74,75)(76,77)(78,79)(80,81)(82,83)(84,85)(86,87)(88,89)(90,91)(92,93)(94,95)(96,97)(98,99)(100,101)(102,103)(104,105)(106,107)(108,109);(1,2)(8,9,11,13,15,17,19,21,23,25,26,24,22,20,18,16,14,12,10)(27,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,109,107,105,103,101,99,97,95,93,91,89,87,85,83,81,79,77,75,73,71,69,67,65,63,61,59,57,55,53,51,49,47,45,43,41,39,37,35,33,31,29)

Conjugacy classes & character table

7900 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31540, 23);

C2×C5×D1577 #44538707